| Rank |
Page title |
Views |
Daily average |
Assessment |
Importance |
|---|
| 1 |
Luigi Mangione |
151,083 |
5,036 |
B |
Low |
| 2 |
Frances Haugen |
139,090 |
4,636 |
C |
Low |
| 3 |
Computer |
93,554 |
3,118 |
B |
High |
| 4 |
Occam's razor |
75,639 |
2,521 |
C |
High |
| 5 |
Massachusetts Institute of Technology |
63,587 |
2,119 |
B |
Mid |
| 6 |
List of states with nuclear weapons |
60,185 |
2,006 |
List |
High |
| 7 |
Boeing |
55,743 |
1,858 |
C |
Top |
| 8 |
Air conditioning |
55,105 |
1,836 |
C |
Mid |
| 9 |
Nuclear weapon |
54,226 |
1,807 |
C |
High |
| 10 |
Lockheed Martin |
52,018 |
1,733 |
C |
Top |
| 11 |
Airbus A321neo |
48,625 |
1,620 |
C |
Low |
| 12 |
Newton's laws of motion |
48,586 |
1,619 |
B |
Top |
| 13 |
Indian Institutes of Technology |
46,475 |
1,549 |
B |
Mid |
| 14 |
Carlo Santi |
42,968 |
1,432 |
Start |
Low |
| 15 |
GameCube |
40,278 |
1,342 |
B |
Low |
| 16 |
BMW B58 |
39,967 |
1,332 |
C |
Low |
| 17 |
Ford Model T |
38,626 |
1,287 |
B |
Low |
| 18 |
Programmer |
38,022 |
1,267 |
C |
Mid |
| 19 |
Honda K engine |
37,742 |
1,258 |
C |
Low |
| 20 |
Cloud computing |
35,918 |
1,197 |
C |
Mid |
| 21 |
HDMI |
35,819 |
1,193 |
B |
Mid |
| 22 |
Harrison Ruffin Tyler |
35,172 |
1,172 |
C |
Low |
| 23 |
Metric prefix |
34,932 |
1,164 |
C |
Unknown |
| 24 |
Erie Canal |
33,842 |
1,128 |
C |
Mid |
| 25 |
Trinity (nuclear test) |
33,145 |
1,104 |
FA |
Top |
| 26 |
Shiva Ayyadurai |
33,058 |
1,101 |
C |
Low |
| 27 |
Dyson sphere |
32,942 |
1,098 |
C |
Mid |
| 28 |
Larsen & Toubro |
32,717 |
1,090 |
C |
High |
| 29 |
Technology |
31,981 |
1,066 |
B |
Top |
| 30 |
Murphy's law |
31,528 |
1,050 |
C |
Low |
| 31 |
RTX Corporation |
31,095 |
1,036 |
C |
Top |
| 32 |
Entropy (information theory) |
30,625 |
1,020 |
C |
High |
| 33 |
Honeywell |
30,339 |
1,011 |
C |
Top |
| 34 |
Heating, ventilation, and air conditioning |
30,152 |
1,005 |
C |
High |
| 35 |
Internet of things |
29,764 |
992 |
B |
High |
| 36 |
Little Boy |
28,820 |
960 |
GA |
High |
| 37 |
The O2 Arena |
28,554 |
951 |
C |
Low |
| 38 |
Mikhail Kalashnikov |
28,477 |
949 |
B |
Mid |
| 39 |
Energy |
27,249 |
908 |
B |
Top |
| 40 |
Israel and nuclear weapons |
26,924 |
897 |
B |
Low |
| 41 |
International Organization for Standardization |
26,636 |
887 |
C |
Mid |
| 42 |
Willis Carrier |
25,681 |
856 |
C |
Unknown |
| 43 |
Simple machine |
25,592 |
853 |
C |
High |
| 44 |
IP code |
25,472 |
849 |
C |
Mid |
| 45 |
Fat Man |
25,211 |
840 |
GA |
High |
| 46 |
Engineering |
24,967 |
832 |
B |
Top |
| 47 |
Steam engine |
24,892 |
829 |
B |
High |
| 48 |
Rare-earth element |
24,523 |
817 |
C |
Mid |
| 49 |
Robot |
24,002 |
800 |
B |
Top |
| 50 |
Ferdinand Porsche |
23,726 |
790 |
C |
High |
| 51 |
John DeLorean |
22,737 |
757 |
B |
High |
| 52 |
Fourth Industrial Revolution |
22,526 |
750 |
C |
Low |
| 53 |
Torque |
22,485 |
749 |
C |
Mid |
| 54 |
High Bandwidth Memory |
22,454 |
748 |
C |
Unknown |
| 55 |
Peter Bonnington |
22,310 |
743 |
Start |
Low |
| 56 |
Technology readiness level |
22,279 |
742 |
C |
Mid |
| 57 |
Francis Scott Key Bridge collapse |
22,179 |
739 |
B |
Mid |
| 58 |
WD-40 |
22,032 |
734 |
C |
Low |
| 59 |
KISS principle |
21,343 |
711 |
C |
High |
| 60 |
Automation |
21,061 |
702 |
B |
High |
| 61 |
Continuously variable transmission |
21,054 |
701 |
C |
Mid |
| 62 |
Diesel engine |
20,496 |
683 |
C |
Mid |
| 63 |
Hard disk drive |
20,369 |
678 |
B |
High |
| 64 |
Enterprise resource planning |
20,332 |
677 |
B |
Mid |
| 65 |
Solid-state drive |
20,257 |
675 |
C |
Mid |
| 66 |
Nominal Pipe Size |
20,236 |
674 |
Unknown |
Unknown |
| 67 |
Carl Benz |
20,012 |
667 |
C |
High |
| 68 |
Diesel fuel |
19,971 |
665 |
C |
Mid |
| 69 |
Dirac delta function |
19,579 |
652 |
GA |
High |
| 70 |
Mechanical engineering |
19,578 |
652 |
B |
Top |
| 71 |
Software engineering |
19,556 |
651 |
C |
Top |
| 72 |
Electrical engineering |
19,415 |
647 |
B |
Top |
| 73 |
BMW N52 |
19,412 |
647 |
C |
Low |
| 74 |
Printed circuit board |
19,234 |
641 |
B |
High |
| 75 |
Gustave Eiffel |
19,202 |
640 |
B |
Mid |
| 76 |
Intellectual property |
19,149 |
638 |
B |
Top |
| 77 |
Nuclear reactor |
19,002 |
633 |
B |
Mid |
| 78 |
The purpose of a system is what it does |
18,603 |
620 |
Start |
Low |
| 79 |
Flood control projects scandal in the Philippines |
18,503 |
616 |
B |
Low |
| 80 |
Computer numerical control |
18,175 |
605 |
C |
High |
| 81 |
Parkinson's Law |
18,151 |
605 |
C |
High |
| 82 |
Momentum |
18,002 |
600 |
B |
Top |
| 83 |
Optical fiber |
17,993 |
599 |
C |
Mid |
| 84 |
Self-driving car |
17,775 |
592 |
B |
Low |
| 85 |
CFM International CFM56 |
17,623 |
587 |
A |
Low |
| 86 |
Peter Madsen |
17,541 |
584 |
C |
Low |
| 87 |
Northeastern University |
17,330 |
577 |
B |
Low |
| 88 |
Thermodynamics |
17,304 |
576 |
B |
Unknown |
| 89 |
AST SpaceMobile |
17,145 |
571 |
Start |
Low |
| 90 |
Science, technology, engineering, and mathematics |
17,118 |
570 |
C |
Low |
| 91 |
Electric motor |
17,116 |
570 |
C |
High |
| 92 |
Adrian Newey |
17,093 |
569 |
B |
Low |
| 93 |
Institute of Electrical and Electronics Engineers |
16,812 |
560 |
B |
High |
| 94 |
Civil engineering |
16,531 |
551 |
C |
Top |
| 95 |
Ideal gas law |
15,851 |
528 |
C |
Mid |
| 96 |
Rex Tillerson |
15,785 |
526 |
C |
Mid |
| 97 |
Nuclear warfare |
15,698 |
523 |
C |
High |
| 98 |
Cummins |
15,642 |
521 |
C |
Mid |
| 99 |
Laptop |
15,265 |
508 |
C |
Mid |
| 100 |
Tokamak |
15,133 |
504 |
C |
Low |
| 101 |
Rolls-Royce Merlin |
15,097 |
503 |
FA |
High |
| 102 |
BMW N55 |
15,064 |
502 |
C |
Low |
| 103 |
5S (methodology) |
15,050 |
501 |
Start |
Low |
| 104 |
Boston Dynamics |
14,960 |
498 |
C |
Low |
| 105 |
Hexagon |
14,950 |
498 |
C |
Low |
| 106 |
Law of triviality |
14,909 |
496 |
C |
Mid |
| 107 |
Hex key |
14,642 |
488 |
C |
Mid |
| 108 |
Toyota UZ engine |
14,622 |
487 |
C |
Low |
| 109 |
Three-phase electric power |
14,574 |
485 |
C |
Low |
| 110 |
CE marking |
14,425 |
480 |
C |
Mid |
| 111 |
Ceramic |
14,339 |
477 |
B |
Mid |
| 112 |
Honda L engine |
14,281 |
476 |
C |
Low |
| 113 |
SCADA |
14,125 |
470 |
C |
Mid |
| 114 |
Engine |
14,070 |
469 |
C |
High |
| 115 |
Computer-aided design |
14,061 |
468 |
C |
High |
| 116 |
Lean manufacturing |
13,938 |
464 |
C |
Mid |
| 117 |
Big Dig |
13,873 |
462 |
B |
Mid |
| 118 |
Indiana State Fair stage collapse |
13,827 |
460 |
C |
Low |
| 119 |
Space elevator |
13,787 |
459 |
B |
Mid |
| 120 |
O'Neill cylinder |
13,670 |
455 |
C |
Unknown |
| 121 |
Dick Strawbridge |
13,607 |
453 |
C |
Low |
| 122 |
Aerospace engineering |
13,545 |
451 |
C |
Top |
| 123 |
Jet engine |
13,493 |
449 |
C |
High |
| 124 |
IIT Kharagpur |
13,489 |
449 |
B |
Mid |
| 125 |
Vannevar Bush |
13,415 |
447 |
FA |
Mid |
| 126 |
Wrought iron |
13,375 |
445 |
C |
Mid |
| 127 |
List of screw drives |
13,323 |
444 |
List |
Mid |
| 128 |
List of land speed records |
13,279 |
442 |
List |
Mid |
| 129 |
List of flight airspeed records |
13,231 |
441 |
List |
Low |
| 130 |
Venturi effect |
13,142 |
438 |
C |
Mid |
| 131 |
Robotics |
13,127 |
437 |
B |
Top |
| 132 |
Boiling point |
13,120 |
437 |
B |
High |
| 133 |
Glock switch |
13,091 |
436 |
C |
Low |
| 134 |
Twin-turbo |
13,041 |
434 |
C |
Low |
| 135 |
Carburetor |
12,966 |
432 |
C |
Mid |
| 136 |
Supercharger |
12,944 |
431 |
C |
Low |
| 137 |
Taxonomy |
12,932 |
431 |
C |
Low |
| 138 |
Groq |
12,671 |
422 |
C |
Low |
| 139 |
AECOM |
12,638 |
421 |
C |
Low |
| 140 |
Rust |
12,627 |
420 |
C |
High |
| 141 |
Rube Goldberg |
12,521 |
417 |
C |
Mid |
| 142 |
Hyperloop |
12,456 |
415 |
C |
High |
| 143 |
Straight-six engine |
12,399 |
413 |
C |
Low |
| 144 |
AutoCAD |
12,380 |
412 |
C |
Mid |
| 145 |
IIT Bombay |
12,377 |
412 |
B |
Mid |
| 146 |
Active electronically scanned array |
12,333 |
411 |
C |
Low |
| 147 |
Brick |
12,296 |
409 |
C |
Mid |
| 148 |
Cast iron |
12,287 |
409 |
C |
Mid |
| 149 |
Rudolf Diesel |
12,274 |
409 |
C |
Mid |
| 150 |
Metallurgy |
12,244 |
408 |
C |
Top |
| 151 |
Tire |
12,234 |
407 |
C |
Low |
| 152 |
List of commercial nuclear reactors |
12,108 |
403 |
List |
Low |
| 153 |
BMW N63 |
12,108 |
403 |
C |
Low |
| 154 |
Scramjet |
12,092 |
403 |
C |
Low |
| 155 |
Escorts Kubota Limited |
12,068 |
402 |
Start |
Unknown |
| 156 |
Quantum logic gate |
12,064 |
402 |
C |
Unknown |
| 157 |
Robert Metcalfe |
12,057 |
401 |
Start |
Low |
| 158 |
Do it yourself |
12,009 |
400 |
C |
Low |
| 159 |
Planned obsolescence |
11,945 |
398 |
C |
High |
| 160 |
Systems engineering |
11,934 |
397 |
B |
High |
| 161 |
Two-stroke engine |
11,896 |
396 |
C |
Mid |
| 162 |
BMW M52 |
11,853 |
395 |
C |
Low |
| 163 |
Otis Worldwide |
11,848 |
394 |
Start |
Unknown |
| 164 |
Infrastructure |
11,787 |
392 |
C |
High |
| 165 |
V12 engine |
11,752 |
391 |
C |
Mid |
| 166 |
Barrel (unit) |
11,715 |
390 |
C |
Unknown |
| 167 |
Nuclear submarine |
11,682 |
389 |
C |
Unknown |
| 168 |
Gear |
11,671 |
389 |
B |
High |
| 169 |
Crane (machine) |
11,601 |
386 |
B |
Mid |
| 170 |
Ramjet |
11,509 |
383 |
C |
Low |
| 171 |
Problem solving |
11,500 |
383 |
C |
High |
| 172 |
Project management |
11,464 |
382 |
B |
High |
| 173 |
Ringworld |
11,370 |
379 |
B |
Low |
| 174 |
List of engineering branches |
11,351 |
378 |
List |
Low |
| 175 |
Genetic engineering |
11,346 |
378 |
GA |
High |
| 176 |
Ishikawa diagram |
11,320 |
377 |
Start |
Mid |
| 177 |
Epicyclic gearing |
11,280 |
376 |
B |
Mid |
| 178 |
Citadel |
11,227 |
374 |
C |
Low |
| 179 |
Materials science |
11,181 |
372 |
B |
Top |
| 180 |
Maintenance |
11,169 |
372 |
C |
High |
| 181 |
Santiago Calatrava |
11,140 |
371 |
C |
High |
| 182 |
List of speed records in rail transport |
11,072 |
369 |
List |
Unknown |
| 183 |
Oil refinery |
11,052 |
368 |
B |
Mid |
| 184 |
Unitree Robotics |
11,019 |
367 |
C |
Low |
| 185 |
Brayton cycle |
10,990 |
366 |
C |
Low |
| 186 |
WSP Global |
10,926 |
364 |
Start |
High |
| 187 |
Prince engine |
10,904 |
363 |
C |
Low |
| 188 |
Francis Scott Key Bridge (Baltimore) |
10,800 |
360 |
B |
Low |
| 189 |
Oil platform |
10,639 |
354 |
C |
Mid |
| 190 |
Refrigerant |
10,638 |
354 |
B |
Mid |
| 191 |
Gartner hype cycle |
10,611 |
353 |
C |
Mid |
| 192 |
Engineer |
10,576 |
352 |
C |
Top |
| 193 |
Tungsten carbide |
10,442 |
348 |
B |
Mid |
| 194 |
Bastion fort |
10,385 |
346 |
Start |
Unknown |
| 195 |
Brushless DC electric motor |
10,333 |
344 |
C |
High |
| 196 |
Rebar |
10,316 |
343 |
C |
High |
| 197 |
Steam turbine |
10,293 |
343 |
C |
Mid |
| 198 |
Cultured meat |
10,286 |
342 |
B |
Low |
| 199 |
Bulldozer |
10,272 |
342 |
Start |
High |
| 200 |
Hero of Alexandria |
10,254 |
341 |
C |
Mid |
| 201 |
Four-stroke engine |
10,152 |
338 |
C |
High |
| 202 |
Minimum viable product |
10,116 |
337 |
Start |
High |
| 203 |
Poka-yoke |
10,111 |
337 |
C |
High |
| 204 |
Slag |
10,076 |
335 |
C |
Low |
| 205 |
Fluid dynamics |
10,030 |
334 |
B |
High |
| 206 |
Bachelor of Engineering |
9,939 |
331 |
Start |
Mid |
| 207 |
Atkinson cycle |
9,914 |
330 |
C |
High |
| 208 |
Pareto efficiency |
9,872 |
329 |
C |
Mid |
| 209 |
Millennium Dome |
9,815 |
327 |
B |
Mid |
| 210 |
Mechatronics |
9,815 |
327 |
Start |
Mid |
| 211 |
Humanoid robot |
9,794 |
326 |
C |
Top |
| 212 |
Analog computer |
9,750 |
325 |
B |
Low |
| 213 |
Van |
9,744 |
324 |
Start |
Low |
| 214 |
Web of Science |
9,719 |
323 |
C |
Low |
| 215 |
Absorption refrigerator |
9,696 |
323 |
C |
Low |
| 216 |
Rocket engine |
9,666 |
322 |
C |
Mid |
| 217 |
Arup Group |
9,583 |
319 |
Start |
Mid |
| 218 |
Phased array |
9,468 |
315 |
C |
Low |
| 219 |
Hilti |
9,447 |
314 |
Start |
Unknown |
| 220 |
Bill of materials |
9,417 |
313 |
Start |
Mid |
| 221 |
Antenna (radio) |
9,392 |
313 |
C |
Low |
| 222 |
Nikolai Fomin (engineer) |
9,392 |
313 |
Start |
Unknown |
| 223 |
Slate |
9,390 |
313 |
Start |
Low |
| 224 |
Big data |
9,312 |
310 |
B |
High |
| 225 |
BMW N57 |
9,310 |
310 |
Start |
Low |
| 226 |
List of megaprojects |
9,288 |
309 |
List |
Unknown |
| 227 |
Excavator |
9,227 |
307 |
C |
Unknown |
| 228 |
Blueprint |
9,167 |
305 |
Start |
High |
| 229 |
Decision-making |
9,130 |
304 |
C |
Top |
| 230 |
Smelting |
9,112 |
303 |
C |
Low |
| 231 |
Diffusion of innovations |
9,111 |
303 |
C |
Mid |
| 232 |
Weather modification |
9,082 |
302 |
B |
Low |
| 233 |
AtkinsRéalis |
9,050 |
301 |
C |
Low |
| 234 |
Lever |
9,039 |
301 |
B |
Mid |
| 235 |
Drag (physics) |
9,028 |
300 |
C |
High |
| 236 |
Daniel Gabriel Fahrenheit |
8,993 |
299 |
C |
Low |
| 237 |
Building information modeling |
8,993 |
299 |
C |
Mid |
| 238 |
Analysis paralysis |
8,962 |
298 |
C |
High |
| 239 |
Carbon steel |
8,943 |
298 |
C |
High |
| 240 |
Information security |
8,937 |
297 |
B |
High |
| 241 |
Big Blue crane collapse |
8,931 |
297 |
Start |
Low |
| 242 |
BMW M50 |
8,914 |
297 |
C |
Low |
| 243 |
Operations research |
8,887 |
296 |
C |
High |
| 244 |
Royal Engineers |
8,886 |
296 |
C |
Low |
| 245 |
Julie Payette |
8,884 |
296 |
B |
Low |
| 246 |
Powell Avenue Steam Plant |
8,854 |
295 |
B |
Low |
| 247 |
Coandă effect |
8,720 |
290 |
C |
Low |
| 248 |
Computer engineering |
8,684 |
289 |
C |
Top |
| 249 |
Shield AI |
8,659 |
288 |
Start |
Unknown |
| 250 |
Brunel University of London |
8,596 |
286 |
C |
High |
| 251 |
Risk management |
8,536 |
284 |
C |
High |
| 252 |
Failure mode and effects analysis |
8,535 |
284 |
C |
High |
| 253 |
Mobile device |
8,512 |
283 |
C |
Low |
| 254 |
Pareto front |
8,512 |
283 |
Start |
Unknown |
| 255 |
Scopus |
8,431 |
281 |
Start |
Low |
| 256 |
Scram |
8,425 |
280 |
C |
Low |
| 257 |
Dipole antenna |
8,406 |
280 |
B |
Mid |
| 258 |
IIT Delhi |
8,371 |
279 |
C |
Mid |
| 259 |
Sam Brinton |
8,361 |
278 |
Start |
Low |
| 260 |
Innovation |
8,353 |
278 |
B |
Top |
| 261 |
Unobtainium |
8,332 |
277 |
C |
Low |
| 262 |
Clutch |
8,232 |
274 |
C |
Mid |
| 263 |
Volvo Engine Architecture |
8,231 |
274 |
List |
Low |
| 264 |
Telford |
8,194 |
273 |
B |
Mid |
| 265 |
Colossus computer |
8,190 |
273 |
B |
Unknown |
| 266 |
Stress–strain curve |
8,182 |
272 |
Start |
Unknown |
| 267 |
Nissan MR engine |
8,158 |
271 |
Start |
Low |
| 268 |
Systems development life cycle |
8,147 |
271 |
C |
High |
| 269 |
ISO metric screw thread |
8,125 |
270 |
C |
Mid |
| 270 |
Barry Voight |
8,110 |
270 |
FA |
Low |
| 271 |
Toyota A transmission |
8,068 |
268 |
List |
Low |
| 272 |
Archimedes' screw |
8,031 |
267 |
C |
Low |
| 273 |
SAE 304 stainless steel |
8,030 |
267 |
C |
Low |
| 274 |
Composite material |
8,014 |
267 |
C |
High |
| 275 |
Project Habakkuk |
7,988 |
266 |
Start |
Low |
| 276 |
Carnot cycle |
7,970 |
265 |
B |
Mid |
| 277 |
Heavy equipment |
7,887 |
262 |
C |
High |
| 278 |
Spinning jenny |
7,871 |
262 |
Start |
High |
| 279 |
Molten-salt reactor |
7,862 |
262 |
B |
Unknown |
| 280 |
Rankine scale |
7,844 |
261 |
C |
Low |
| 281 |
Idea |
7,800 |
260 |
C |
High |
| 282 |
Audio engineer |
7,783 |
259 |
C |
Mid |
| 283 |
BMW B57 |
7,742 |
258 |
Start |
Low |
| 284 |
Bagger 288 |
7,730 |
257 |
Start |
Mid |
| 285 |
Pump |
7,713 |
257 |
C |
High |
| 286 |
Chemical engineering |
7,668 |
255 |
C |
Top |
| 287 |
Yagi–Uda antenna |
7,658 |
255 |
C |
Low |
| 288 |
Hydraulics |
7,624 |
254 |
C |
Top |
| 289 |
Gelu Voican Voiculescu |
7,589 |
252 |
B |
Low |
| 290 |
MAGURA V5 |
7,584 |
252 |
Start |
Unknown |
| 291 |
ST Engineering |
7,520 |
250 |
C |
Low |
| 292 |
Robotic process automation |
7,499 |
249 |
C |
Low |
| 293 |
Radioactive waste |
7,481 |
249 |
B |
Low |
| 294 |
Motor oil |
7,465 |
248 |
C |
Low |
| 295 |
Right to repair |
7,427 |
247 |
B |
Unknown |
| 296 |
Ultimate tensile strength |
7,416 |
247 |
C |
Low |
| 297 |
Kiln |
7,414 |
247 |
C |
High |
| 298 |
Synchronous motor |
7,404 |
246 |
C |
High |
| 299 |
IIT Kanpur |
7,388 |
246 |
B |
Mid |
| 300 |
PSA EW/DW engine |
7,363 |
245 |
C |
Low |
| 301 |
Actuator |
7,356 |
245 |
C |
Low |
| 302 |
Ontario Fault Determination Rules |
7,353 |
245 |
Unknown |
Unknown |
| 303 |
Cryogenics |
7,287 |
242 |
C |
Mid |
| 304 |
High availability |
7,272 |
242 |
C |
Low |
| 305 |
Power factor |
7,261 |
242 |
B |
Low |
| 306 |
Supply chain management |
7,217 |
240 |
C |
Mid |
| 307 |
Drafter |
7,187 |
239 |
Start |
Mid |
| 308 |
SolidWorks |
7,136 |
237 |
Start |
Low |
| 309 |
Compact crossover SUV |
7,125 |
237 |
C |
Low |
| 310 |
Tuned mass damper |
7,108 |
236 |
C |
Mid |
| 311 |
General Electric Company |
7,088 |
236 |
Start |
Low |
| 312 |
Pulley |
7,083 |
236 |
C |
Top |
| 313 |
Aqueduct (water supply) |
7,062 |
235 |
C |
Low |
| 314 |
Project management triangle |
7,060 |
235 |
Start |
Unknown |
| 315 |
Wrench |
7,041 |
234 |
C |
High |
| 316 |
Euclidean vector |
7,039 |
234 |
B |
Low |
| 317 |
Rotary engine |
7,030 |
234 |
C |
Unknown |
| 318 |
Skanska |
7,006 |
233 |
B |
Mid |
| 319 |
Von Mises yield criterion |
6,994 |
233 |
Start |
Mid |
| 320 |
Canal du Midi |
6,990 |
233 |
B |
Unknown |
| 321 |
Radial engine |
6,974 |
232 |
B |
Unknown |
| 322 |
Material |
6,941 |
231 |
Start |
Low |
| 323 |
Risk |
6,937 |
231 |
C |
Top |
| 324 |
Gianpiero Lambiase |
6,901 |
230 |
Start |
Low |
| 325 |
List of BMW engines |
6,859 |
228 |
List |
Low |
| 326 |
Biomedical engineering |
6,854 |
228 |
B |
Top |
| 327 |
Hammer |
6,780 |
226 |
C |
Mid |
| 328 |
Neuromorphic computing |
6,769 |
225 |
C |
Low |
| 329 |
Vilfredo Pareto |
6,699 |
223 |
C |
Low |
| 330 |
Industrial engineering |
6,685 |
222 |
C |
High |
| 331 |
Richard Trevithick |
6,673 |
222 |
C |
Mid |
| 332 |
Chrysler B engine |
6,652 |
221 |
Start |
Low |
| 333 |
Sinclair C5 |
6,642 |
221 |
GA |
Mid |
| 334 |
Electronics engineering |
6,637 |
221 |
C |
High |
| 335 |
Proof of concept |
6,601 |
220 |
Start |
High |
| 336 |
Petroleum industry |
6,597 |
219 |
C |
Low |
| 337 |
Project |
6,585 |
219 |
C |
Top |
| 338 |
Aerospace |
6,569 |
218 |
B |
High |
| 339 |
Combat engineer |
6,562 |
218 |
C |
Mid |
| 340 |
Regenerative braking |
6,553 |
218 |
C |
Low |
| 341 |
Mini Moke |
6,549 |
218 |
B |
Low |
| 342 |
Pykrete |
6,530 |
217 |
C |
Low |
| 343 |
Optical disc |
6,524 |
217 |
C |
Unknown |
| 344 |
Rover V8 engine |
6,493 |
216 |
C |
Low |
| 345 |
XY problem |
6,490 |
216 |
Start |
Low |
| 346 |
Waterfall model |
6,479 |
215 |
C |
Mid |
| 347 |
Briggs & Stratton |
6,475 |
215 |
C |
High |
| 348 |
Noise pollution |
6,439 |
214 |
C |
Mid |
| 349 |
Product lifecycle |
6,405 |
213 |
Start |
Mid |
| 350 |
Raising of Chicago |
6,378 |
212 |
C |
Low |
| 351 |
Impulse (physics) |
6,373 |
212 |
Start |
High |
| 352 |
Amy Schneider |
6,372 |
212 |
C |
Low |
| 353 |
Isometric projection |
6,347 |
211 |
Start |
Mid |
| 354 |
Fatigue (material) |
6,337 |
211 |
C |
High |
| 355 |
TDI (engine) |
6,315 |
210 |
C |
Mid |
| 356 |
Francis Scott Key Bridge replacement |
6,312 |
210 |
B |
Low |
| 357 |
BMW N20 |
6,293 |
209 |
Start |
Low |
| 358 |
Ferry Porsche |
6,276 |
209 |
Start |
Unknown |
| 359 |
Monocoque |
6,273 |
209 |
C |
High |
| 360 |
Hofstadter's law |
6,255 |
208 |
Start |
Mid |
| 361 |
Snap-on |
6,211 |
207 |
C |
Low |
| 362 |
Polaris Slingshot |
6,208 |
206 |
C |
Low |
| 363 |
Aluminium alloy |
6,205 |
206 |
C |
High |
| 364 |
Combined-cycle power plant |
6,178 |
205 |
B |
High |
| 365 |
Car suspension |
6,176 |
205 |
C |
High |
| 366 |
Belleville washer |
6,127 |
204 |
C |
Low |
| 367 |
Structural integrity and failure |
6,112 |
203 |
C |
Unknown |
| 368 |
Hempcrete |
6,099 |
203 |
C |
Low |
| 369 |
Limited-slip differential |
6,093 |
203 |
C |
Low |
| 370 |
Aerodynamics |
6,085 |
202 |
B |
Top |
| 371 |
Turbine |
6,085 |
202 |
C |
High |
| 372 |
Diorama |
6,053 |
201 |
C |
Low |
| 373 |
Citicorp Center engineering crisis |
6,051 |
201 |
Start |
Low |
| 374 |
TRIZ |
6,040 |
201 |
C |
Mid |
| 375 |
Baykar Bayraktar TB3 |
6,034 |
201 |
Start |
Unknown |
| 376 |
Overhead valve engine |
6,024 |
200 |
C |
Mid |
| 377 |
Turbo encabulator |
6,015 |
200 |
C |
Unknown |
| 378 |
Common rail |
5,969 |
198 |
C |
Mid |
| 379 |
Thermal power station |
5,946 |
198 |
C |
High |
| 380 |
Megastructure |
5,937 |
197 |
Start |
Unknown |
| 381 |
Pipeline |
5,922 |
197 |
B |
Mid |
| 382 |
Robert S. Cooper |
5,913 |
197 |
C |
Low |
| 383 |
Root-cause analysis |
5,897 |
196 |
C |
Mid |
| 384 |
The O2 |
5,855 |
195 |
B |
Mid |
| 385 |
O-ring |
5,848 |
194 |
C |
Mid |
| 386 |
Monkey wrench |
5,809 |
193 |
Start |
Low |
| 387 |
Evolved antenna |
5,792 |
193 |
Start |
Low |
| 388 |
Plumb bob |
5,780 |
192 |
Start |
Low |
| 389 |
Horseshoe Curve (Pennsylvania) |
5,776 |
192 |
FA |
Mid |
| 390 |
Fellow of the Royal Academy of Engineering |
5,771 |
192 |
Stub |
Low |
| 391 |
ASTM International |
5,769 |
192 |
C |
Mid |
| 392 |
Start-stop system |
5,720 |
190 |
C |
Low |
| 393 |
2009–2011 Toyota vehicle recalls |
5,713 |
190 |
C |
Low |
| 394 |
Straight-three engine |
5,711 |
190 |
C |
Mid |
| 395 |
Crowbar |
5,684 |
189 |
Start |
Mid |
| 396 |
AGA cooker |
5,659 |
188 |
Start |
Low |
| 397 |
AI-assisted software development |
5,656 |
188 |
C |
Mid |
| 398 |
Abdul Latif Rashid |
5,650 |
188 |
Start |
Low |
| 399 |
Rack and pinion |
5,606 |
186 |
C |
Mid |
| 400 |
Breakwater (structure) |
5,569 |
185 |
C |
High |
| 401 |
Lateral thinking |
5,552 |
185 |
C |
Mid |
| 402 |
Simulation |
5,521 |
184 |
B |
Mid |
| 403 |
Rapatronic camera |
5,521 |
184 |
Start |
High |
| 404 |
Otto cycle |
5,520 |
184 |
C |
High |
| 405 |
Volvo D5 engine |
5,500 |
183 |
Start |
Low |
| 406 |
Bluing (steel) |
5,493 |
183 |
C |
Low |
| 407 |
Aerospike engine |
5,465 |
182 |
C |
Mid |
| 408 |
Oceanco |
5,461 |
182 |
Start |
Unknown |
| 409 |
Engine knocking |
5,448 |
181 |
C |
Low |
| 410 |
Mass production |
5,418 |
180 |
C |
Mid |
| 411 |
Forging |
5,416 |
180 |
B |
Mid |
| 412 |
Project Plowshare |
5,414 |
180 |
C |
Low |
| 413 |
Automotive air conditioning |
5,414 |
180 |
C |
High |
| 414 |
Turbo-diesel |
5,403 |
180 |
C |
Mid |
| 415 |
Boiler |
5,389 |
179 |
C |
High |
| 416 |
History of water supply and sanitation |
5,373 |
179 |
B |
Low |
| 417 |
Pinglu Canal |
5,372 |
179 |
Unknown |
Unknown |
| 418 |
Flat engine |
5,370 |
179 |
C |
Mid |
| 419 |
Bloodhound LSR |
5,368 |
178 |
C |
Low |
| 420 |
Nusselt number |
5,363 |
178 |
B |
High |
| 421 |
Equations of motion |
5,355 |
178 |
B |
Mid |
| 422 |
Laura Müller (motorsport) |
5,332 |
177 |
Start |
Low |
| 423 |
Sea Baby |
5,329 |
177 |
B |
Unknown |
| 424 |
Revolutions per minute |
5,312 |
177 |
Start |
Mid |
| 425 |
Werner von Siemens |
5,311 |
177 |
C |
Unknown |
| 426 |
Volvo Redblock engine |
5,303 |
176 |
Start |
Low |
| 427 |
Geoengineering |
5,284 |
176 |
B |
Mid |
| 428 |
Positive train control |
5,273 |
175 |
C |
Mid |
| 429 |
Stepper motor |
5,255 |
175 |
C |
Unknown |
| 430 |
BMW M30 |
5,254 |
175 |
C |
Low |
| 431 |
Iron Ring |
5,231 |
174 |
C |
Low |
| 432 |
Oberth effect |
5,222 |
174 |
C |
Low |
| 433 |
Error |
5,212 |
173 |
C |
High |
| 434 |
Servomotor |
5,212 |
173 |
Start |
Unknown |
| 435 |
Thermal energy storage |
5,158 |
171 |
Start |
Unknown |
| 436 |
Diesel particulate filter |
5,154 |
171 |
C |
Low |
| 437 |
Seasteading |
5,154 |
171 |
Start |
Low |
| 438 |
RTFM |
5,144 |
171 |
Start |
Low |
| 439 |
Avro Canada VZ-9 Avrocar |
5,121 |
170 |
C |
Low |
| 440 |
Diesel–electric powertrain |
5,116 |
170 |
Start |
Unknown |
| 441 |
Drill |
5,115 |
170 |
C |
Mid |
| 442 |
SAE International |
5,115 |
170 |
C |
Mid |
| 443 |
Wayve |
5,115 |
170 |
C |
Low |
| 444 |
Camshaft |
5,098 |
169 |
B |
Mid |
| 445 |
Chemical industry |
5,084 |
169 |
Start |
High |
| 446 |
BMW 2 Series (G42) |
5,070 |
169 |
C |
Low |
| 447 |
Assembly line |
5,069 |
168 |
C |
Mid |
| 448 |
Creep (deformation) |
5,059 |
168 |
B |
Low |
| 449 |
Master–slave (technology) |
5,053 |
168 |
Start |
Mid |
| 450 |
Synergy |
5,033 |
167 |
C |
High |
| 451 |
Daisy chain (electrical engineering) |
5,019 |
167 |
Start |
Low |
| 452 |
SCART |
5,011 |
167 |
Start |
Unknown |
| 453 |
Kraft process |
4,947 |
164 |
C |
Unknown |
| 454 |
X band |
4,945 |
164 |
C |
Mid |
| 455 |
Biomimetics |
4,938 |
164 |
C |
High |
| 456 |
Straight-five engine |
4,919 |
163 |
C |
Low |
| 457 |
Synthetic biology |
4,914 |
163 |
B |
Unknown |
| 458 |
Wheel tractor-scraper |
4,907 |
163 |
Start |
Low |
| 459 |
Fatberg |
4,906 |
163 |
Start |
Low |
| 460 |
Fissile material |
4,899 |
163 |
C |
Low |
| 461 |
Glitter |
4,884 |
162 |
C |
Mid |
| 462 |
BMW N62 |
4,873 |
162 |
C |
Low |
| 463 |
Spacecraft propulsion |
4,871 |
162 |
Start |
Unknown |
| 464 |
BMW S68 |
4,855 |
161 |
Start |
Low |
| 465 |
History of the petroleum industry |
4,845 |
161 |
C |
Low |
| 466 |
Flange |
4,837 |
161 |
Unknown |
Unknown |
| 467 |
Passive cooling |
4,816 |
160 |
C |
Low |
| 468 |
Rockwell hardness test |
4,805 |
160 |
C |
High |
| 469 |
Six Thinking Hats |
4,804 |
160 |
C |
Mid |
| 470 |
Master of Engineering |
4,797 |
159 |
Start |
High |
| 471 |
Synthetic oil |
4,794 |
159 |
Start |
Mid |
| 472 |
Futures studies |
4,779 |
159 |
B |
Low |
| 473 |
Anthony Levandowski |
4,771 |
159 |
Stub |
Low |
| 474 |
Fred Mannering |
4,769 |
158 |
Start |
Unknown |
| 475 |
Single-stage-to-orbit |
4,766 |
158 |
C |
Low |
| 476 |
List of vehicle speed records |
4,750 |
158 |
List |
Unknown |
| 477 |
Refractory |
4,748 |
158 |
B |
Low |
| 478 |
Vulnerability |
4,745 |
158 |
C |
Mid |
| 479 |
Metamaterial |
4,720 |
157 |
B |
Low |
| 480 |
Vibration |
4,718 |
157 |
B |
High |
| 481 |
Cogeneration |
4,714 |
157 |
C |
Low |
| 482 |
Mercedes-Benz M119 engine |
4,706 |
156 |
C |
Low |
| 483 |
HOK (firm) |
4,689 |
156 |
C |
Low |
| 484 |
Andrea Stella |
4,685 |
156 |
C |
Low |
| 485 |
Chimney |
4,679 |
155 |
B |
Mid |
| 486 |
Near and far field |
4,676 |
155 |
C |
High |
| 487 |
Power steering |
4,676 |
155 |
C |
Low |
| 488 |
Plain bearing |
4,674 |
155 |
C |
Mid |
| 489 |
Aeronautics |
4,665 |
155 |
C |
High |
| 490 |
Platform screen doors |
4,655 |
155 |
C |
Unknown |
| 491 |
Pneumatics |
4,651 |
155 |
C |
Mid |
| 492 |
Tarmacadam |
4,640 |
154 |
Start |
Mid |
| 493 |
Six degrees of freedom |
4,638 |
154 |
Start |
Low |
| 494 |
Geometric dimensioning and tolerancing |
4,618 |
153 |
Unknown |
Unknown |
| 495 |
Clinker (boat building) |
4,617 |
153 |
C |
Low |
| 496 |
Toyota M engine |
4,603 |
153 |
List |
Low |
| 497 |
Gasket |
4,599 |
153 |
C |
Low |
| 498 |
Biological engineering |
4,590 |
153 |
C |
High |
| 499 |
Engineering drawing abbreviations and symbols |
4,577 |
152 |
List |
Low |
| 500 |
Marine propulsion |
4,572 |
152 |
C |
Mid |
| 501 |
Linear motor |
4,555 |
151 |
C |
High |
| 502 |
Sustainable energy |
4,540 |
151 |
FA |
High |
| 503 |
Inline skates |
4,496 |
149 |
GA |
Unknown |
| 504 |
Piston |
4,494 |
149 |
C |
High |
| 505 |
Lime mortar |
4,494 |
149 |
C |
Low |
| 506 |
Military engineering |
4,489 |
149 |
C |
Low |
| 507 |
Fibre-reinforced plastic |
4,460 |
148 |
C |
Low |
| 508 |
Pliers |
4,447 |
148 |
C |
Mid |
| 509 |
Specification-driven development |
4,441 |
148 |
Start |
Low |
| 510 |
Alderson disk |
4,440 |
148 |
C |
Low |
| 511 |
Fused filament fabrication |
4,438 |
147 |
C |
Unknown |
| 512 |
Electrostatic discharge |
4,419 |
147 |
Start |
Unknown |
| 513 |
List of water speed records |
4,419 |
147 |
List |
Mid |
| 514 |
Screw thread |
4,409 |
146 |
C |
High |
| 515 |
Ferrari Dino engine |
4,397 |
146 |
C |
Low |
| 516 |
Hydrogen embrittlement |
4,396 |
146 |
Start |
High |
| 517 |
Universal joint |
4,384 |
146 |
Unknown |
Unknown |
| 518 |
Pro forma |
4,381 |
146 |
Start |
Mid |
| 519 |
Lillian Moller Gilbreth |
4,355 |
145 |
B |
Mid |
| 520 |
Gigafactory Nevada |
4,355 |
145 |
C |
Low |
| 521 |
Crankcase ventilation system |
4,349 |
144 |
C |
Low |
| 522 |
Caterpillar D11 |
4,340 |
144 |
Start |
Low |
| 523 |
Olin College |
4,324 |
144 |
C |
Mid |
| 524 |
Hermetic seal |
4,315 |
143 |
Start |
Unknown |
| 525 |
BMW S85 |
4,315 |
143 |
Start |
Low |
| 526 |
Timing belt (camshaft) |
4,304 |
143 |
C |
Mid |
| 527 |
Compression ratio |
4,290 |
143 |
C |
Low |
| 528 |
Statistical process control |
4,286 |
142 |
C |
Unknown |
| 529 |
List of IEC standards |
4,285 |
142 |
List |
Unknown |
| 530 |
Creative industries |
4,285 |
142 |
C |
Low |
| 531 |
Huygens–Fresnel principle |
4,277 |
142 |
C |
Low |
| 532 |
Gas tungsten arc welding |
4,271 |
142 |
FA |
Mid |
| 533 |
Nail (fastener) |
4,267 |
142 |
C |
Low |
| 534 |
Garlin Gilchrist |
4,258 |
141 |
C |
Low |
| 535 |
Porsche V8 engines |
4,255 |
141 |
Start |
Low |
| 536 |
Efficiency |
4,253 |
141 |
C |
Mid |
| 537 |
Defence in depth |
4,245 |
141 |
Start |
Low |
| 538 |
Dry sump |
4,235 |
141 |
C |
Low |
| 539 |
The Design of Everyday Things |
4,228 |
140 |
Start |
Low |
| 540 |
Electronic circuit |
4,220 |
140 |
C |
Low |
| 541 |
Albert Mehrabian |
4,207 |
140 |
C |
Low |
| 542 |
BMW M20 |
4,201 |
140 |
C |
Low |
| 543 |
Irradiation |
4,200 |
140 |
Start |
Unknown |
| 544 |
International Standard Atmosphere |
4,194 |
139 |
C |
Mid |
| 545 |
National Grid (Great Britain) |
4,192 |
139 |
C |
Unknown |
| 546 |
Surface roughness |
4,166 |
138 |
C |
Low |
| 547 |
Flettner rotor |
4,160 |
138 |
Start |
Unknown |
| 548 |
Spring (device) |
4,155 |
138 |
C |
High |
| 549 |
Constant-velocity joint |
4,150 |
138 |
C |
Low |
| 550 |
Frances Northcutt |
4,149 |
138 |
C |
Low |
| 551 |
Loïc Serra |
4,147 |
138 |
Start |
Low |
| 552 |
BMW N74 |
4,145 |
138 |
Start |
Low |
| 553 |
Washer (hardware) |
4,132 |
137 |
C |
Mid |
| 554 |
List of British innovations and discoveries |
4,126 |
137 |
List |
Low |
| 555 |
Singapore Airlines Flights 23 and 24 |
4,119 |
137 |
Start |
Unknown |
| 556 |
Clean-room design |
4,098 |
136 |
Start |
Unknown |
| 557 |
Multistage rocket |
4,088 |
136 |
Start |
High |
| 558 |
Cam (mechanism) |
4,085 |
136 |
C |
High |
| 559 |
Power-to-weight ratio |
4,085 |
136 |
Start |
Mid |
| 560 |
Continual improvement process |
4,073 |
135 |
Start |
High |
| 561 |
Offshore drilling |
4,066 |
135 |
C |
Mid |
| 562 |
BMW M12 |
4,053 |
135 |
C |
Low |
| 563 |
Heat pipe |
4,051 |
135 |
C |
Low |
| 564 |
Torque wrench |
4,049 |
134 |
C |
High |
| 565 |
Heat recovery ventilation |
4,044 |
134 |
C |
Low |
| 566 |
ARINC 429 |
4,039 |
134 |
Start |
Unknown |
| 567 |
Shock absorber |
4,033 |
134 |
C |
Mid |
| 568 |
Wheelbase |
4,032 |
134 |
Start |
Unknown |
| 569 |
Orangeburg pipe |
4,020 |
134 |
Start |
Low |
| 570 |
Circular motion |
4,014 |
133 |
C |
Mid |
| 571 |
Construction of the World Trade Center |
4,013 |
133 |
FA |
Mid |
| 572 |
ISO 26262 |
4,013 |
133 |
Start |
Low |
| 573 |
Parsons Corporation |
4,002 |
133 |
Start |
Low |
| 574 |
Volkswagen Group W-12 engine |
3,998 |
133 |
C |
Low |
| 575 |
Éric Trappier |
3,988 |
132 |
Stub |
Low |
| 576 |
Suitcase nuclear device |
3,980 |
132 |
Start |
Low |
| 577 |
Fraunhofer-Gesellschaft |
3,978 |
132 |
C |
High |
| 578 |
Watercraft |
3,977 |
132 |
Start |
High |
| 579 |
Chiller |
3,974 |
132 |
C |
Low |
| 580 |
Jet d'Eau |
3,969 |
132 |
Start |
Low |
| 581 |
White Rabbit Project (TV series) |
3,961 |
132 |
Start |
Low |
| 582 |
State of the art |
3,956 |
131 |
Start |
High |
| 583 |
Leonardo's fighting vehicle |
3,940 |
131 |
Start |
Low |
| 584 |
Megaproject |
3,927 |
130 |
Start |
Mid |
| 585 |
Drilling rig |
3,903 |
130 |
Start |
Mid |
| 586 |
Embarrassingly parallel |
3,899 |
129 |
Start |
Low |
| 587 |
Pile driver |
3,893 |
129 |
Start |
Mid |
| 588 |
Marine steam engine |
3,882 |
129 |
B |
High |
| 589 |
Sequential manual transmission |
3,874 |
129 |
C |
Low |
| 590 |
Calvin Mackie |
3,857 |
128 |
Start |
Low |
| 591 |
W12 engine |
3,851 |
128 |
Start |
Mid |
| 592 |
Hydramatic |
3,832 |
127 |
C |
Unknown |
| 593 |
Computational neuroscience |
3,831 |
127 |
C |
Low |
| 594 |
Atomic Age |
3,822 |
127 |
C |
High |
| 595 |
Deep sea mining |
3,820 |
127 |
C |
Low |
| 596 |
Fault tree analysis |
3,813 |
127 |
C |
Mid |
| 597 |
X-energy |
3,808 |
126 |
Start |
Low |
| 598 |
Technology adoption life cycle |
3,803 |
126 |
Start |
Mid |
| 599 |
Socket wrench |
3,796 |
126 |
C |
Mid |
| 600 |
Electromechanics |
3,789 |
126 |
Start |
High |
| 601 |
Nondestructive testing |
3,788 |
126 |
C |
Low |
| 602 |
Toyota K CVT transmission |
3,788 |
126 |
Start |
Low |
| 603 |
Fail-safe |
3,775 |
125 |
C |
Unknown |
| 604 |
Roger Boisjoly |
3,772 |
125 |
Start |
Unknown |
| 605 |
Anti-roll bar |
3,771 |
125 |
C |
Low |
| 606 |
Austenitic stainless steel |
3,762 |
125 |
C |
Low |
| 607 |
Composite armour |
3,757 |
125 |
Start |
Low |
| 608 |
Quality control |
3,748 |
124 |
C |
High |
| 609 |
Concept map |
3,729 |
124 |
C |
Mid |
| 610 |
Hardness |
3,728 |
124 |
C |
High |
| 611 |
Scope creep |
3,723 |
124 |
C |
High |
| 612 |
Hyperion Data Center |
3,714 |
123 |
C |
Low |
| 613 |
Brake fluid |
3,708 |
123 |
C |
Mid |
| 614 |
Manhole cover |
3,706 |
123 |
C |
Mid |
| 615 |
Drivetrain |
3,700 |
123 |
Start |
Low |
| 616 |
Throttle |
3,697 |
123 |
C |
Mid |
| 617 |
Control engineering |
3,695 |
123 |
Start |
Top |
| 618 |
Alec Issigonis |
3,695 |
123 |
C |
Low |
| 619 |
Psychrometrics |
3,689 |
122 |
B |
Mid |
| 620 |
Engine displacement |
3,683 |
122 |
Start |
Low |
| 621 |
Chuah Joon Huang |
3,680 |
122 |
Start |
Unknown |
| 622 |
W16 engine |
3,665 |
122 |
Start |
Mid |
| 623 |
Single point of failure |
3,652 |
121 |
C |
Low |
| 624 |
Vortex tube |
3,648 |
121 |
C |
Unknown |
| 625 |
Engineer's Ring |
3,647 |
121 |
Start |
Low |
| 626 |
Drag reduction system |
3,640 |
121 |
C |
Low |
| 627 |
Acura RLX |
3,639 |
121 |
C |
Low |
| 628 |
Straight-eight engine |
3,633 |
121 |
C |
Low |
| 629 |
Compound steam engine |
3,629 |
120 |
C |
High |
| 630 |
SAE steel grades |
3,616 |
120 |
List |
Low |
| 631 |
MP Materials |
3,611 |
120 |
C |
Low |
| 632 |
Lazare Carnot |
3,595 |
119 |
C |
Mid |
| 633 |
Standing wave ratio |
3,590 |
119 |
C |
High |
| 634 |
Reliability engineering |
3,589 |
119 |
C |
Unknown |
| 635 |
AWTF-80 SC |
3,582 |
119 |
C |
Low |
| 636 |
Artificial intelligence engineering |
3,582 |
119 |
C |
Low |
| 637 |
List of ISO standards |
3,579 |
119 |
List |
Low |
| 638 |
Remove before flight |
3,576 |
119 |
Start |
Low |
| 639 |
Eight disciplines problem solving |
3,569 |
118 |
Start |
Mid |
| 640 |
FR-4 |
3,564 |
118 |
Start |
Low |
| 641 |
Nose cone design |
3,555 |
118 |
Start |
Mid |
| 642 |
Central heating |
3,551 |
118 |
B |
High |
| 643 |
Miller cycle |
3,536 |
117 |
C |
High |
| 644 |
Water heating |
3,535 |
117 |
C |
Mid |
| 645 |
Mercedes-Benz OM648 engine |
3,532 |
117 |
Start |
Low |
| 646 |
Truss connector plate |
3,526 |
117 |
Start |
Low |
| 647 |
Ciudad Juárez cobalt-60 contamination incident |
3,526 |
117 |
C |
Low |
| 648 |
Boosted fission weapon |
3,513 |
117 |
C |
Low |
| 649 |
Aircraft flight dynamics |
3,508 |
116 |
Start |
Mid |
| 650 |
Grease (lubricant) |
3,506 |
116 |
C |
High |
| 651 |
Direct Stream Digital |
3,504 |
116 |
C |
Unknown |
| 652 |
Engineering drawing |
3,497 |
116 |
C |
Low |
| 653 |
American Society of Mechanical Engineers |
3,497 |
116 |
B |
Mid |
| 654 |
Light-water reactor |
3,496 |
116 |
C |
Low |
| 655 |
Reciprocating saw |
3,494 |
116 |
Start |
Unknown |
| 656 |
ZF 9HP transmission |
3,488 |
116 |
Start |
Low |
| 657 |
Air Astana Flight 1388 |
3,471 |
115 |
Start |
Low |
| 658 |
Human power |
3,470 |
115 |
C |
Mid |
| 659 |
Metallurgy in pre-Columbian America |
3,457 |
115 |
C |
Mid |
| 660 |
Jackhammer |
3,453 |
115 |
C |
Mid |
| 661 |
List of nuclear fusion companies |
3,447 |
114 |
Start |
Low |
| 662 |
Duct (flow) |
3,434 |
114 |
C |
Unknown |
| 663 |
Structural engineering |
3,431 |
114 |
B |
Top |
| 664 |
Josephson junction |
3,417 |
113 |
B |
Low |
| 665 |
Mechanical advantage |
3,409 |
113 |
C |
Mid |
| 666 |
Anton Schwarzkopf |
3,409 |
113 |
C |
Low |
| 667 |
Wind tunnel |
3,408 |
113 |
C |
Mid |
| 668 |
Rose–Hulman Institute of Technology |
3,408 |
113 |
B |
Unknown |
| 669 |
Scale model |
3,402 |
113 |
C |
Mid |
| 670 |
Textile industry |
3,400 |
113 |
C |
High |
| 671 |
Santa Justa Lift |
3,382 |
112 |
B |
Unknown |
| 672 |
Hydrogen economy |
3,380 |
112 |
B |
Low |
| 673 |
Parabolic antenna |
3,379 |
112 |
B |
Low |
| 674 |
Metacentric height |
3,379 |
112 |
C |
Mid |
| 675 |
Angle of list |
3,372 |
112 |
Stub |
Unknown |
| 676 |
Motorized bicycle |
3,365 |
112 |
C |
Mid |
| 677 |
Mohr's circle |
3,361 |
112 |
B |
Mid |
| 678 |
Aurora X-65 CRANE |
3,360 |
112 |
Start |
Unknown |
| 679 |
Failure |
3,353 |
111 |
Start |
Top |
| 680 |
Texas Central Railway |
3,353 |
111 |
Stub |
Mid |
| 681 |
Double-clutching (technique) |
3,351 |
111 |
C |
Low |
| 682 |
Neutron moderator |
3,346 |
111 |
C |
Low |
| 683 |
Nissan TD engine |
3,340 |
111 |
Start |
Low |
| 684 |
Peristaltic pump |
3,339 |
111 |
Start |
Low |
| 685 |
Mazda K engine |
3,338 |
111 |
Start |
Low |
| 686 |
Rolls-Royce PWR |
3,334 |
111 |
C |
Low |
| 687 |
Ayao Komatsu |
3,334 |
111 |
Start |
Low |
| 688 |
Fastener |
3,331 |
111 |
Start |
High |
| 689 |
Front-wheel drive |
3,326 |
110 |
B |
Low |
| 690 |
Relief valve |
3,325 |
110 |
C |
Low |
| 691 |
Brainstorming |
3,317 |
110 |
Start |
High |
| 692 |
BMW M43 |
3,317 |
110 |
Start |
Low |
| 693 |
Velomobile |
3,306 |
110 |
C |
Unknown |
| 694 |
Overdrive (mechanics) |
3,303 |
110 |
C |
Low |
| 695 |
Trans-lunar injection |
3,301 |
110 |
C |
Low |
| 696 |
Instrumentation |
3,300 |
110 |
C |
Mid |
| 697 |
List of largest machines |
3,285 |
109 |
List |
Unknown |
| 698 |
Experimental Breeder Reactor I |
3,277 |
109 |
C |
Low |
| 699 |
New York University Tandon School of Engineering |
3,276 |
109 |
C |
Low |
| 700 |
Turnkey |
3,274 |
109 |
Start |
Mid |
| 701 |
Grommet |
3,273 |
109 |
Unknown |
Unknown |
| 702 |
ISO/IEC 7810 |
3,269 |
108 |
Start |
Low |
| 703 |
Axial compressor |
3,261 |
108 |
B |
Mid |
| 704 |
Sigma Xi |
3,258 |
108 |
C |
Unknown |
| 705 |
Allotropes of iron |
3,256 |
108 |
C |
Low |
| 706 |
Conveyor belt |
3,250 |
108 |
C |
High |
| 707 |
Sanitary sewer |
3,248 |
108 |
C |
High |
| 708 |
Shape-memory alloy |
3,244 |
108 |
C |
Unknown |
| 709 |
Risk matrix |
3,241 |
108 |
Start |
Mid |
| 710 |
Centrifugal pump |
3,214 |
107 |
C |
Mid |
| 711 |
Galling |
3,209 |
106 |
Unknown |
Unknown |
| 712 |
Automotive Safety Integrity Level |
3,195 |
106 |
B |
Low |
| 713 |
Test automation |
3,191 |
106 |
Start |
Mid |
| 714 |
Worm drive |
3,185 |
106 |
C |
Mid |
| 715 |
Stopwatch |
3,180 |
106 |
Start |
Unknown |
| 716 |
Mechanical ventilation |
3,179 |
105 |
B |
Low |
| 717 |
Hydraulic fluid |
3,176 |
105 |
C |
Mid |
| 718 |
Four-bar linkage |
3,174 |
105 |
C |
Mid |
| 719 |
Atmos clock |
3,158 |
105 |
Start |
Unknown |
| 720 |
Impact driver |
3,143 |
104 |
Start |
Low |
| 721 |
Loop antenna |
3,133 |
104 |
C |
Low |
| 722 |
Reliance Infrastructure |
3,127 |
104 |
Start |
Low |
| 723 |
Wolfsburg Volkswagen Plant |
3,126 |
104 |
Start |
Mid |
| 724 |
Sarich orbital engine |
3,120 |
104 |
Start |
Low |
| 725 |
Strain wave gearing |
3,111 |
103 |
C |
Low |
| 726 |
China Railway CR450AF |
3,110 |
103 |
Start |
Unknown |
| 727 |
Flat-plane crank |
3,109 |
103 |
Start |
Low |
| 728 |
Wolter telescope |
3,107 |
103 |
Start |
Unknown |
| 729 |
Naval architecture |
3,105 |
103 |
C |
Mid |
| 730 |
Quantum-Systems |
3,103 |
103 |
Unknown |
Unknown |
| 731 |
BMW N43 |
3,102 |
103 |
Start |
Low |
| 732 |
Fast-neutron reactor |
3,100 |
103 |
C |
Low |
| 733 |
Brushed DC electric motor |
3,098 |
103 |
C |
High |
| 734 |
Austenite |
3,095 |
103 |
C |
Low |
| 735 |
Kenneth Nichols |
3,092 |
103 |
GA |
Mid |
| 736 |
Marine engineering |
3,091 |
103 |
Start |
Top |
| 737 |
Ignition magneto |
3,084 |
102 |
C |
Low |
| 738 |
Standard wire gauge |
3,084 |
102 |
Start |
Low |
| 739 |
Ventilation (architecture) |
3,077 |
102 |
Start |
Low |
| 740 |
Piping and plumbing fitting |
3,069 |
102 |
C |
Mid |
| 741 |
Xenobot |
3,068 |
102 |
Start |
Mid |
| 742 |
Ellen Ochoa |
3,066 |
102 |
B |
Low |
| 743 |
Elevator test tower |
3,066 |
102 |
Stub |
Low |
| 744 |
Monopole antenna |
3,061 |
102 |
C |
Low |
| 745 |
Risk assessment |
3,050 |
101 |
C |
Mid |
| 746 |
List of motorcycle land-speed records |
3,047 |
101 |
List |
Low |
| 747 |
Orbital decay |
3,038 |
101 |
Start |
High |
| 748 |
Ilmor |
3,037 |
101 |
C |
Low |
| 749 |
Calibration |
3,030 |
101 |
C |
Mid |
| 750 |
Project manager |
3,016 |
100 |
Start |
Unknown |
| 751 |
V engine |
2,994 |
99 |
Start |
Mid |
| 752 |
Run-flat tire |
2,988 |
99 |
C |
Low |
| 753 |
Cadillac LMC55R engine |
2,967 |
98 |
Stub |
Low |
| 754 |
Dropped ceiling |
2,960 |
98 |
C |
Low |
| 755 |
Automatic transmission fluid |
2,958 |
98 |
C |
Low |
| 756 |
Brinell hardness test |
2,957 |
98 |
Start |
Mid |
| 757 |
Kilogram-force |
2,949 |
98 |
C |
Low |
| 758 |
Christie suspension |
2,944 |
98 |
Start |
Unknown |
| 759 |
Pressurized heavy-water reactor |
2,944 |
98 |
C |
Low |
| 760 |
Flagstone |
2,942 |
98 |
Start |
Unknown |
| 761 |
Machining |
2,941 |
98 |
C |
High |
| 762 |
Nicolaus Otto |
2,931 |
97 |
C |
High |
| 763 |
Anna Menon |
2,930 |
97 |
Start |
Unknown |
| 764 |
Beam axle |
2,928 |
97 |
Start |
Mid |
| 765 |
Feature creep |
2,923 |
97 |
C |
Low |
| 766 |
Clockwork |
2,921 |
97 |
C |
Mid |
| 767 |
Computational science |
2,912 |
97 |
C |
High |
| 768 |
Pipe support |
2,911 |
97 |
Start |
Low |
| 769 |
Catastrophic failure |
2,901 |
96 |
Stub |
Low |
| 770 |
Electrical steel |
2,900 |
96 |
Start |
Unknown |
| 771 |
Mechanical computer |
2,895 |
96 |
Start |
Low |
| 772 |
Corrugated galvanised iron |
2,894 |
96 |
C |
Low |
| 773 |
W engine |
2,891 |
96 |
C |
Mid |
| 774 |
Paper towel |
2,891 |
96 |
Start |
Low |
| 775 |
Impossible bottle |
2,891 |
96 |
Start |
Low |
| 776 |
Condenser (heat transfer) |
2,891 |
96 |
Start |
High |
| 777 |
Requirement |
2,886 |
96 |
Start |
High |
| 778 |
Biochemical oxygen demand |
2,872 |
95 |
C |
Mid |
| 779 |
Progressive collapse |
2,865 |
95 |
Start |
Low |
| 780 |
Manifold injection |
2,865 |
95 |
B |
Mid |
| 781 |
Engineering physics |
2,864 |
95 |
Start |
Mid |
| 782 |
Cost–benefit analysis |
2,855 |
95 |
B |
High |
| 783 |
Pressure vessel |
2,852 |
95 |
C |
Mid |
| 784 |
List of Japanese inventions and discoveries |
2,844 |
94 |
List |
Low |
| 785 |
AutoCAD DXF |
2,843 |
94 |
Start |
Low |
| 786 |
Genesis G8MR engine |
2,838 |
94 |
Stub |
Low |
| 787 |
Giga Press |
2,834 |
94 |
C |
Low |
| 788 |
Fuel starvation and fuel exhaustion |
2,823 |
94 |
Start |
Low |
| 789 |
Engineering design process |
2,823 |
94 |
Start |
High |
| 790 |
Desmodromic valve |
2,822 |
94 |
C |
Low |
| 791 |
Wire gauge |
2,821 |
94 |
Start |
Low |
| 792 |
Superstructure |
2,813 |
93 |
Start |
Mid |
| 793 |
Pipe (fluid conveyance) |
2,813 |
93 |
C |
Mid |
| 794 |
Thinking outside the box |
2,810 |
93 |
Start |
High |
| 795 |
Environmental engineering |
2,809 |
93 |
C |
Top |
| 796 |
Acceptance testing |
2,807 |
93 |
Start |
Mid |
| 797 |
Cycloidal drive |
2,802 |
93 |
Stub |
Low |
| 798 |
Deflection (engineering) |
2,798 |
93 |
Start |
Mid |
| 799 |
Centrifugal fan |
2,797 |
93 |
C |
Mid |
| 800 |
Tommy Flowers |
2,796 |
93 |
Start |
Low |
| 801 |
Renovation |
2,796 |
93 |
Start |
Unknown |
| 802 |
Fan coil unit |
2,796 |
93 |
Unknown |
Unknown |
| 803 |
Bolt (fastener) |
2,795 |
93 |
Start |
High |
| 804 |
Maker culture |
2,794 |
93 |
Start |
Unknown |
| 805 |
Hand truck |
2,786 |
92 |
Start |
Unknown |
| 806 |
Regulation and licensure in engineering |
2,782 |
92 |
C |
High |
| 807 |
Crossplane |
2,778 |
92 |
C |
Low |
| 808 |
Self-sealing fuel tank |
2,777 |
92 |
C |
Low |
| 809 |
Thin Man (nuclear bomb) |
2,768 |
92 |
GA |
Low |
| 810 |
Theo Jansen |
2,755 |
91 |
C |
Low |
| 811 |
Bushehr Nuclear Power Plant |
2,754 |
91 |
C |
Low |
| 812 |
Product design |
2,752 |
91 |
Start |
High |
| 813 |
Morgan 3-Wheeler |
2,752 |
91 |
Start |
Low |
| 814 |
Total quality management |
2,745 |
91 |
C |
Mid |
| 815 |
Four-terminal sensing |
2,745 |
91 |
Start |
Low |
| 816 |
Fifth-wheel coupling |
2,744 |
91 |
C |
Low |
| 817 |
Mini Aceman |
2,741 |
91 |
Start |
Low |
| 818 |
Cylinder head |
2,739 |
91 |
Start |
Mid |
| 819 |
Carillion |
2,738 |
91 |
C |
Low |
| 820 |
Buro Happold |
2,737 |
91 |
B |
Mid |
| 821 |
Septic drain field |
2,730 |
91 |
C |
Mid |
| 822 |
Sandy Munro |
2,730 |
91 |
Start |
Unknown |
| 823 |
Corrective and preventive action |
2,729 |
90 |
Start |
Mid |
| 824 |
Transverse engine |
2,728 |
90 |
C |
Low |
| 825 |
Gradian |
2,727 |
90 |
Start |
Unknown |
| 826 |
Engine configuration |
2,721 |
90 |
C |
High |
| 827 |
Engineering disasters |
2,717 |
90 |
C |
Low |
| 828 |
Fortive |
2,709 |
90 |
Stub |
Low |
| 829 |
Surrogate model |
2,696 |
89 |
Start |
Unknown |
| 830 |
Bank vault |
2,690 |
89 |
B |
Unknown |
| 831 |
Time and motion study |
2,688 |
89 |
Start |
Mid |
| 832 |
Best practice |
2,685 |
89 |
C |
Mid |
| 833 |
Evanescent field |
2,683 |
89 |
Start |
Mid |
| 834 |
National Academy of Engineering |
2,682 |
89 |
C |
Low |
| 835 |
Jaguar AJ-V6 engine |
2,670 |
89 |
Start |
Low |
| 836 |
Clear view screen |
2,661 |
88 |
Start |
Low |
| 837 |
Nut (hardware) |
2,658 |
88 |
C |
High |
| 838 |
Graziano Trasmissioni |
2,651 |
88 |
Unknown |
Unknown |
| 839 |
Mecanum wheel |
2,641 |
88 |
Start |
Low |
| 840 |
Multi-link suspension |
2,640 |
88 |
C |
Low |
| 841 |
Tesla's oscillator |
2,640 |
88 |
C |
Low |
| 842 |
Interchangeable parts |
2,634 |
87 |
C |
High |
| 843 |
FIRST Robotics Competition |
2,629 |
87 |
B |
Low |
| 844 |
Jet Age |
2,623 |
87 |
Start |
Low |
| 845 |
Coupling |
2,621 |
87 |
C |
Mid |
| 846 |
Chromate conversion coating |
2,616 |
87 |
B |
Low |
| 847 |
Renault Cléon-Fonte engine |
2,614 |
87 |
C |
Low |
| 848 |
Holden straight-six motor |
2,610 |
87 |
Unknown |
Unknown |
| 849 |
List of system quality attributes |
2,608 |
86 |
List |
Low |
| 850 |
Flying shuttle |
2,607 |
86 |
C |
High |
| 851 |
DeltaWing |
2,601 |
86 |
C |
Low |
| 852 |
Factor of safety |
2,599 |
86 |
C |
Mid |
| 853 |
World record |
2,597 |
86 |
Start |
Mid |
| 854 |
Predictive maintenance |
2,596 |
86 |
Unknown |
Unknown |
| 855 |
Dynamic positioning |
2,591 |
86 |
B |
Unknown |
| 856 |
Belt (mechanical) |
2,589 |
86 |
C |
High |
| 857 |
Rate equation |
2,587 |
86 |
C |
Mid |
| 858 |
Taguchi methods |
2,575 |
85 |
C |
Mid |
| 859 |
Air handler |
2,574 |
85 |
C |
Low |
| 860 |
Street name |
2,568 |
85 |
C |
Low |
| 861 |
Automotive engineering |
2,566 |
85 |
Start |
Mid |
| 862 |
Lights out (manufacturing) |
2,561 |
85 |
Start |
Low |
| 863 |
2006 North Korean nuclear test |
2,558 |
85 |
B |
High |
| 864 |
MultiAir |
2,556 |
85 |
C |
Low |
| 865 |
Thread seal tape |
2,554 |
85 |
C |
Mid |
| 866 |
Manufacturing engineering |
2,554 |
85 |
C |
Top |
| 867 |
Powder metallurgy |
2,552 |
85 |
C |
High |
| 868 |
Time-domain reflectometer |
2,549 |
84 |
Start |
Mid |
| 869 |
List of Filipino inventions and discoveries |
2,549 |
84 |
List |
Low |
| 870 |
List of IPv6 transition mechanisms |
2,547 |
84 |
C |
Unknown |
| 871 |
Brake-specific fuel consumption |
2,544 |
84 |
Start |
Low |
| 872 |
Freewheel |
2,532 |
84 |
C |
High |
| 873 |
Transaxle |
2,532 |
84 |
Start |
Low |
| 874 |
Bayonet mount |
2,532 |
84 |
C |
Mid |
| 875 |
Top Tier Detergent Gasoline |
2,529 |
84 |
Start |
Low |
| 876 |
Financial engineering |
2,524 |
84 |
Start |
Mid |
| 877 |
Workshop |
2,523 |
84 |
Stub |
Low |
| 878 |
Gerber format |
2,516 |
83 |
B |
Mid |
| 879 |
Shim (spacer) |
2,515 |
83 |
Start |
Mid |
| 880 |
Rolling-element bearing |
2,513 |
83 |
C |
Mid |
| 881 |
Cradle-to-cradle design |
2,509 |
83 |
Start |
Low |
| 882 |
Crank (mechanism) |
2,508 |
83 |
B |
High |
| 883 |
VANOS |
2,500 |
83 |
Start |
Low |
| 884 |
Turbine blade |
2,499 |
83 |
C |
High |
| 885 |
Active suspension |
2,498 |
83 |
B |
Mid |
| 886 |
Ove Arup |
2,496 |
83 |
C |
High |
| 887 |
RepRap |
2,490 |
83 |
C |
Unknown |
| 888 |
Heat flux |
2,489 |
82 |
Start |
Unknown |
| 889 |
Dirichlet boundary condition |
2,485 |
82 |
Stub |
Unknown |
| 890 |
Torricelli's law |
2,485 |
82 |
Start |
Unknown |
| 891 |
Sayano-Shushenskaya power station accident |
2,481 |
82 |
B |
Mid |
| 892 |
The Soul of a New Machine |
2,477 |
82 |
Start |
Mid |
| 893 |
Property management |
2,477 |
82 |
Start |
Mid |
| 894 |
Longitudinal engine |
2,477 |
82 |
Start |
Low |
| 895 |
Mining engineering |
2,475 |
82 |
Start |
Top |
| 896 |
Roku OS |
2,474 |
82 |
C |
Unknown |
| 897 |
David Brown (entrepreneur) |
2,468 |
82 |
C |
Low |
| 898 |
Gas-fired power plant |
2,466 |
82 |
C |
Low |
| 899 |
Toughness |
2,464 |
82 |
C |
Mid |
| 900 |
VR5 engine |
2,463 |
82 |
Start |
Low |
| 901 |
Joint European Torus |
2,459 |
81 |
C |
Low |
| 902 |
Dross |
2,459 |
81 |
Start |
Low |
| 903 |
Charpy impact test |
2,452 |
81 |
Start |
Low |
| 904 |
Sony α7 IV |
2,452 |
81 |
C |
Unknown |
| 905 |
Tractive effort |
2,444 |
81 |
Start |
Unknown |
| 906 |
Kitchen hood |
2,441 |
81 |
C |
Unknown |
| 907 |
Variable-geometry turbocharger |
2,437 |
81 |
C |
Low |
| 908 |
Behavior tree (artificial intelligence, robotics and control) |
2,437 |
81 |
Start |
Unknown |
| 909 |
Zippe-type centrifuge |
2,435 |
81 |
C |
Unknown |
| 910 |
Overengineering |
2,431 |
81 |
C |
Mid |
| 911 |
Vitalii Skakun |
2,428 |
80 |
Start |
Low |
| 912 |
Masahiro Hara |
2,426 |
80 |
Start |
Unknown |
| 913 |
Geomatics |
2,419 |
80 |
Start |
Mid |
| 914 |
Jewel bearing |
2,418 |
80 |
C |
Low |
| 915 |
QatarEnergy LNG |
2,415 |
80 |
Start |
Low |
| 916 |
Blade server |
2,405 |
80 |
C |
Low |
| 917 |
Tinder |
2,400 |
80 |
Start |
Low |
| 918 |
Locking differential |
2,396 |
79 |
Start |
Mid |
| 919 |
Linkage (mechanical) |
2,392 |
79 |
C |
High |
| 920 |
Twincharger |
2,388 |
79 |
C |
Low |
| 921 |
Magnetic confinement fusion |
2,386 |
79 |
Start |
Low |
| 922 |
Gu Songfen |
2,385 |
79 |
C |
Low |
| 923 |
Gyroid |
2,384 |
79 |
Start |
Unknown |
| 924 |
Jean-Marc Jancovici |
2,382 |
79 |
Start |
Unknown |
| 925 |
100-year flood |
2,381 |
79 |
C |
Mid |
| 926 |
Linear induction motor |
2,378 |
79 |
C |
Low |
| 927 |
Y-Δ transform |
2,377 |
79 |
Start |
Low |
| 928 |
Aaron Fechter |
2,374 |
79 |
Start |
Low |
| 929 |
Oleg Antonov (aircraft designer) |
2,372 |
79 |
C |
Mid |
| 930 |
Reynolds transport theorem |
2,371 |
79 |
Start |
High |
| 931 |
Necessity is the mother of invention |
2,366 |
78 |
Start |
Mid |
| 932 |
Involute gear |
2,361 |
78 |
C |
Low |
| 933 |
Selective laser sintering |
2,361 |
78 |
C |
Low |
| 934 |
Speed tape |
2,360 |
78 |
Start |
Mid |
| 935 |
Servomechanism |
2,358 |
78 |
C |
Unknown |
| 936 |
Doctor of Engineering |
2,358 |
78 |
Start |
High |
| 937 |
Nuclear power in Canada |
2,354 |
78 |
C |
Unknown |
| 938 |
Ford 6R transmission |
2,346 |
78 |
Start |
Unknown |
| 939 |
Boffin |
2,344 |
78 |
C |
Low |
| 940 |
Tata Elxsi |
2,337 |
77 |
NA |
Low |
| 941 |
Flume |
2,331 |
77 |
Start |
Low |
| 942 |
CH2M |
2,327 |
77 |
Start |
Unknown |
| 943 |
Duplex stainless steel |
2,325 |
77 |
C |
Low |
| 944 |
Direct-quadrature-zero transformation |
2,324 |
77 |
Start |
Unknown |
| 945 |
Variable cycle engine |
2,321 |
77 |
C |
Low |
| 946 |
GM 8L transmission |
2,316 |
77 |
Stub |
Unknown |
| 947 |
ISO 31000 |
2,310 |
77 |
Start |
Mid |
| 948 |
Process engineering |
2,309 |
76 |
Start |
High |
| 949 |
W8 engine |
2,304 |
76 |
Start |
Mid |
| 950 |
Furnace (central heating) |
2,294 |
76 |
Start |
High |
| 951 |
Nuclear engineering |
2,290 |
76 |
C |
Top |
| 952 |
Finite-difference time-domain method |
2,290 |
76 |
C |
Mid |
| 953 |
MAP sensor |
2,290 |
76 |
Start |
Low |
| 954 |
Jansen's linkage |
2,272 |
75 |
C |
Unknown |
| 955 |
Robert Kearns |
2,266 |
75 |
C |
Unknown |
| 956 |
Hoist (device) |
2,266 |
75 |
Start |
High |
| 957 |
Scroll compressor |
2,264 |
75 |
C |
Low |
| 958 |
Water cooling |
2,263 |
75 |
C |
High |
| 959 |
Benchmarking |
2,257 |
75 |
Start |
Mid |
| 960 |
Stroke ratio |
2,255 |
75 |
C |
Low |
| 961 |
Spring Drive |
2,243 |
74 |
C |
Low |
| 962 |
Discrete-event simulation |
2,242 |
74 |
C |
Low |
| 963 |
Automotive SPICE |
2,235 |
74 |
Start |
Low |
| 964 |
Turbopump |
2,228 |
74 |
C |
Low |
| 965 |
Application lifecycle management |
2,224 |
74 |
Start |
Low |
| 966 |
Soroban |
2,223 |
74 |
Start |
Unknown |
| 967 |
Kaplan turbine |
2,209 |
73 |
Unknown |
Unknown |
| 968 |
Andritz AG |
2,207 |
73 |
C |
Low |
| 969 |
Backlash (engineering) |
2,206 |
73 |
Start |
Low |
| 970 |
Jet propulsion |
2,203 |
73 |
Start |
High |
| 971 |
41xx steel |
2,197 |
73 |
Start |
Low |
| 972 |
Six-stroke engine |
2,196 |
73 |
C |
Unknown |
| 973 |
Well drilling |
2,193 |
73 |
C |
Low |
| 974 |
Agricultural engineering |
2,186 |
72 |
Start |
Mid |
| 975 |
Gerstlauer |
2,184 |
72 |
C |
Low |
| 976 |
GHD Group |
2,184 |
72 |
Start |
Unknown |
| 977 |
Facility management |
2,177 |
72 |
Start |
Mid |
| 978 |
Dielectric strength |
2,176 |
72 |
C |
Low |
| 979 |
Shadoof |
2,175 |
72 |
Start |
Mid |
| 980 |
Bellcrank |
2,175 |
72 |
Start |
Low |
| 981 |
Quantum engineering |
2,171 |
72 |
Start |
Low |
| 982 |
Egghead |
2,169 |
72 |
C |
Low |
| 983 |
Scrubber |
2,169 |
72 |
Start |
Mid |
| 984 |
Trafalgar House (company) |
2,163 |
72 |
Start |
Mid |
| 985 |
Henry Gantt |
2,162 |
72 |
C |
Unknown |
| 986 |
Burns & McDonnell |
2,158 |
71 |
C |
Low |
| 987 |
Coso artifact |
2,155 |
71 |
Start |
Low |
| 988 |
Mass-spring-damper model |
2,155 |
71 |
Stub |
Low |
| 989 |
Herringbone gear |
2,148 |
71 |
C |
Low |
| 990 |
Self-tapping screw |
2,144 |
71 |
C |
Low |
| 991 |
Data center tiers |
2,143 |
71 |
Stub |
Unknown |
| 992 |
Mainspring |
2,129 |
70 |
B |
Low |
| 993 |
Glued laminated timber |
2,122 |
70 |
C |
Low |
| 994 |
BMW S14 |
2,121 |
70 |
Start |
Low |
| 995 |
Sound transmission class |
2,119 |
70 |
C |
Unknown |
| 996 |
Toyota IMV platform |
2,116 |
70 |
Start |
Low |
| 997 |
Log-periodic antenna |
2,115 |
70 |
Start |
Low |
| 998 |
Engine balance |
2,114 |
70 |
C |
Low |
| 999 |
Earthquake engineering |
2,112 |
70 |
B |
High |
| 1000 |
Reluctance motor |
2,109 |
70 |
Start |
Mid |
|
