Wikipedia:Reference desk/Archives/Science/May 2020

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May 1

Wikipedia:Reference_desk/Archives/Science/2020 May 1

1. Human psychology during pandemics
2. Source of names for 4 mild human coronaviruses?
3. Does pure ammonia expand when it freezes like water does?
4. How are inorganic archaeological artifacts dated?

May 2

Wikipedia:Reference_desk/Archives/Science/2020 May 2

1. Is there a minimum practical size (thermochemically) for a blast furnace?
2. Maths question on pandemic graphs
3. Difference in assumptions in mathematical pandemic modelling?

May 3

Wikipedia:Reference_desk/Archives/Science/2020 May 3

1. How close can you be to a fighter jet passing you at mach 1 without sustaining injuries?
2. DSLR

May 4

Wikipedia:Reference_desk/Archives/Science/2020 May 4

1. Palladium pentafluoride

May 5

Wikipedia:Reference_desk/Archives/Science/2020 May 5

1. Making use of earth gravitational model
2. Spirals and Einsteins equations

May 6

Wikipedia:Reference_desk/Archives/Science/2020 May 6

1. Naegleriasis
2. What are "ferrallitic" and "fersiallitic" soils?
3. Inductors/transformers and flyback converters
4. Voice amplification in a half mask respirator
5. Nebula density

May 7

Wikipedia:Reference_desk/Archives/Science/2020 May 7

1. Why is there a "do not freeze" instruction on baking dough products?
2. Starlink launch/visibility
3. Custom Coronavirus Graphs
4. Wrong explanation and opposite effect for the tides
5. Nuclear fusion chain reaction
6. Annoyed Superman question...
7. Is there a graph about the possibility of life at different masses of the up and down quarks?

May 8

Wikipedia:Reference_desk/Archives/Science/2020 May 8

1. quantum resonance redirect to "Resonance (particle physics)" wp article?
2. Qualitative research sampling methodology - sample size

May 9

Wikipedia:Reference_desk/Archives/Science/2020 May 9

1. Removal of lice through vacuum cleaner
2. Health effects of drinking diet coke

May 10

Wikipedia:Reference_desk/Archives/Science/2020 May 10

1. Patent number for nerf darts
2. Two questions about dietary potassium

May 11

Wikipedia:Reference_desk/Archives/Science/2020 May 11

1. Hatchlings of olive ridley turtles
2. Sulfuric acid

May 12

Wikipedia:Reference_desk/Archives/Science/2020 May 12

1. Is body odor Nature's way to enforce social distancing?
2. False color images in astronomy

May 13

Wikipedia:Reference_desk/Archives/Science/2020 May 13

1. Oxygen masks on planes

May 14

Wikipedia:Reference_desk/Archives/Science/2020 May 14

1. How many SARS 2 "organisms" are in someone when they die? What is their mass and density?
2. What are the biggest living organisms that are without a nervous system?
3. Immortality Research
4. Can a person who had coronary artery disease and a heart attack in their early 50s (and survived) live into their 80s and beyond?

May 15

Wikipedia:Reference_desk/Archives/Science/2020 May 15

1. RF constant transmission

May 16

Wikipedia:Reference_desk/Archives/Science/2020 May 16

1. Why does viral load matter?

May 17

Wikipedia:Reference_desk/Archives/Science/2020 May 17

1. neutrino speeds and the speed of hypothetical axion
2. vaccine research
3. North Magnetic Pole rapidly shifting
4. Pleurisy and dancing

May 18

Wikipedia:Reference_desk/Archives/Science/2020 May 18

1. Neopentane
2. mask that only covers mouth, how effective for preventing spreading it to others? How effective as a protection for oneself?

May 19

Wikipedia:Reference_desk/Archives/Science/2020 May 19

1. Trevelyan's char

May 20

Wikipedia:Reference_desk/Archives/Science/2020 May 20

1. CoViD-19 deaths per capita, China vs. some western countries, why difference?
2. Transformer winding voltage ratio, and the input frequency

May 21

Wikipedia:Reference_desk/Archives/Science/2020 May 21

1. Is e= MC square really useless equation?

May 22

Wikipedia:Reference_desk/Archives/Science/2020 May 22

1. Digestion
2. How fast are quantum computers when compare to supercomputers?

May 23

Wikipedia:Reference_desk/Archives/Science/2020 May 23

1. Salts for hygrometer checking and calibration
2. Plant

May 24

Wikipedia:Reference_desk/Archives/Science/2020 May 24

1. Electroplating bare copper soldering iron tips with nickel and then maybe with iron?
2. What does it mean when N,N- comes before a chemical's name, such as in N,N-Dimethyltryptamine?

May 25

Wikipedia:Reference_desk/Archives/Science/2020 May 25

1. What is the "major splice donor" and how is it different from the Retroviral Psi packaging element?

May 26

Wikipedia:Reference_desk/Archives/Science/2020 May 26

1. Why Large Synoptic Survey telescope launching for mapping milky way galaxy?
2. How far can a spider descend hanging from its silk on a windless day?
3. What would a camera show at this specific situation related to speed of light?

May 27

Wikipedia:Reference_desk/Archives/Science/2020 May 27

1. Effect of very high redshift on neutrino velocity
2. Why do flies make so much noise during sex?
3. Wheelchairs and steps

May 28

Wikipedia:Reference_desk/Archives/Science/2020 May 28

1. Complex compounds
2. Mechanics

May 29

Wikipedia:Reference_desk/Archives/Science/2020 May 29

1. Looking for a source for Cotyledon tomentosa synonym

May 30

Wikipedia:Reference_desk/Archives/Science/2020 May 30

1. What if Rocket launch speed is very slow and constant?
2. Which first scientist declared space has Weightlessness?

May 31

Wikipedia:Reference_desk/Archives/Science/2020 May 31

1. Question about coordination compounds
2. Perpetuum Mobile
3. Outsourcing of engineering systems integration.
4. Polyunsaturated fat degradation speed