Wikipedia:Reference desk/Archives/Science/April 2012
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April 1
[edit]April 2
[edit]April 3
[edit]April 4
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 4
- Black hole gravity
- Why is pressure a scalar?
- there are 4 kinds of topology in Set{1,2},and 29 in Set{1,2,3}, is exist a Formula in a Set {1,2,3,4,5,6...n}?
- How is heat energy converted to mass?
- can some women not orgasm from intercourse, but only clitorally
- Live engineering status for UK TV and radio broadcast towers
- empty space
- hydrocortisone
- Frank Sherwood Rowland
April 5
[edit]April 6
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[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 8
- Illumination in lumen additive or parallel?
- Strange zoo bird
- Octane rating of jet fuel
- Do different chicken breeds have different tastes?
- mercury spectrum
- sodium spectrum
- physics
- Could Kinect ever come with a force-feedback body suit?
- Why can't the Kinect recognize fingers and head movements?
- which reaction formula is right?
- Mystery bird
- calcium metaborate
- Why do cows eat grass?
- Bayes' theorem in medical diagnostics
- Group 14 electronegativities
- A few questions from a science fiction author: Lethality of small amounts of high explosives and theoretical weapons systems
April 9
[edit]April 10
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 10
- Unknown drug powder ID
- postcognition
- Could a satellite really pack the energy to knock out the entire US's power grid?
- Sexual vs. asexual reproduction vis-a-vis early evolution
- What are the colors of human cone cells?
- triplicate carbon copies' carbon footprint
- Are there more/fewer/equal quantum fluctuations near massive bodies?
- Identify the fishes
- Jungle versus machete
- does cured cyanoacrylate penetrate skin if dissolved in acetone?
- Sun dogs
- Carnot efficiency
- Why the south is hotter?
- HCl NaOH titration
April 11
[edit]April 12
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 12
- will aluminum foil scratch a lens or its coating?
- Boyle temperature of Argon
- unhealthy food combination
- Fluid properties of blood
- replacing wheels with balls in a car.
- What is the expected operating lifetime of a modern coal-fired power station??
- Identify rabbit photos
- Brodatz texture dataset
- The glue binding new and unused staples together. What is it?
- how hot does it take for Titan to heat up to completely lose its atmosphere
April 13
[edit]April 14
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[edit]April 20
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 20
- Bleach and chlorine
- Mechanics problem
- Hail
- regrading r-e model of a BJT
- Environmental effects of a plastic bag ban
- How many people alive today were born before the year 1900?
- Inside of a hen it's too ... whatever ... to breathe
- Does water ice get colder or is it temperature static?
- How can Mars acquire to more substantial atmosphere over sun's brightening
- Europa's atmosphere
- Why Earth dies Mars survives
April 21
[edit]April 22
[edit]April 23
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 23
- Chemistry/Amylose and amylopectin Determination.
- Kills 99 per cent of germs...
- Quantum entanglement and kinetic energy
- Female scientist question
- Population growth vs accelerating returns in technology
- Carmine microbial production
- Some Biology questions
- what is the year old of the donkey when it begin to bray?
April 24
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 24
- Curlews?
- M notation in chemical reactions described for rate data
- Diamminehydridoboron(0) [BH(NH3)2]
- Simplest being to show affection
- Hermaphroditism
- To become supercentenarian
- Photoelectric effect- why Kth shell??
- GPS or Glonass which came first
- Electric motor and heat
- trial
- Global warming and Mexico
April 25
[edit]April 26
[edit]April 27
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 27
- Mean motion orbital resonances discrete?
- Monk's hood oil feeling
- Molecular sieves
- I can't find species "Aphenops cronei" that was mentioned by Dobzhansky
- Event horizon of universe
- Unranked taxa
- Suppose we have a Magic Mosquito Genocide Contraption
- Decision-making - Can we actually make decisions?
- photoelectric effect - electron from K shell why?
- If you were to pick one decade that the telephone became 'mainstream'...
- ~ Health-Related Questions: For Only Knowledge & Experienced People of Excellence Only ~ [NOT SLOVED]
April 28
[edit]April 29
[edit]Wikipedia:Reference_desk/Archives/Science/2012 April 29
- How do I mimic static over the cellphone?
- A Fibres in Frog Sciatic Nerve
- Gravity
- Why were the X-15 rocket-powered aircrafts retired?
- Preventing water damage when building a building
- Niagara falls into dam
- What are typical Power capacities for suburban Distribution Substations??98.225.64.151 (talk) 23:13, 29 April 2012 (UTC)
- Leftover rabies?