Wikipedia:Reference desk/Archives/Science/February 2012

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February 1

Wikipedia:Reference_desk/Archives/Science/2012 February 1

1. First aircraft developed using CATIA?
2. Name of a sunset...measure-y...thing.
3. "Bleached" food ingredients
4. How fast is iron metabolised into haemoglobin?
5. Pre-Einstein relativity
6. Copper doorknobs
7. Mustn't space be quantized for scale to make any sense?

February 2

Wikipedia:Reference_desk/Archives/Science/2012 February 2

1. I'm baffled!
2. plastic biliary stent
3. Orbital "what"?
4. The end of time?
5. Waves on an hanging rope
6. Astronomy Question
7. how does stylus work
8. strange temperature changes
9. is this fake?
10. Carbon 14 half life
11. Ethenedisulfonic acid
12. Molecules
13. Alcohol and steam from drain gates

February 3

Wikipedia:Reference_desk/Archives/Science/2012 February 3

1. How to use Hertzsprung–Russell diagram?
2. Does decay heating and nuclear fission generate the same amount of energy in the end?
3. is any encryption other than OTP physically secure
4. about mechnical force
5. about transformer
6. Did Homo sapiens get their pale skin and red hair from Neanderthals?
7. does near-UV light cause photobleaching of protein?
8. computer screens
9. Can Potassium nitrate (KNO3) be used to supply oxigen for breathing in close quarters?
10. Using the turntable in a microwave oven
11. Haloperidol
12. Is it safer at 5 pm after dark or 8:30 pm in the daytime?

February 4

Wikipedia:Reference_desk/Archives/Science/2012 February 4

1. Pterodactyl
2. Cycloaddition Mechanism
3. Most numerous vertebrate species
4. back muscles
5. Is it possible to improve vision with eye exercises
6. Why can animals be classified as vertebrates or invertebrates if vertebrates only make up one phylum?
7. Basic iTunes question
8. Parrots (e.g. Amazon)
9. binary star info

February 5

Wikipedia:Reference_desk/Archives/Science/2012 February 5

1. Water decapitiation or being squashed like a pancake?
2. What kind of spectrum is this?
3. Earth spin and distance to the sun
4. Is amphibia a paraphyletic group?
5. Equation explanation
6. Center of gravity below the center of mass
7. lamp starters in series circuit fluorescent lamps e.g. philips lighting s2. how are these different from ordinary lamp starters e.g. philips lighting s10?

February 6

Wikipedia:Reference_desk/Archives/Science/2012 February 6

1. Order of a mixture
2. Boiling points and tripple points for monatomic gasses
3. Relife from pain
4. The Ostrich & Disemboweling
5. MAGNETIC GENERATORS - Worth using?
6. Should I turn off the LCD before switching off the surge protector?
7. Diesel hybrid car
8. Any US cars with this feature?
9. Saccharides

February 7

Wikipedia:Reference_desk/Archives/Science/2012 February 7

1. How big will sun be at first RGB in 5 billion years?
2. Life form on Europa and Titan few billion years back in the history
3. Special relativity
4. Blue star-like object
5. Would a "warranty cutoff switch" exist?
6. science.chemistry
7. lines of field
8. Hawking radiation and Black hole
9. Clenbuterol, doping or food poisoning
10. does gelatin formation in chicken soup start during simmering?
11. Not eating before surgery

February 8

Wikipedia:Reference_desk/Archives/Science/2012 February 8

1. Embryological Skeleto/muscular development
2. Brownian motion as perpetual motion
3. Sun leaving main sequence between 1 and 5 billion years from now
4. nerves to size depiction chart required
5. Unusual fungus
6. about electrical plug
7. Earth spin redux
8. Violating the 2nd law of thermodynamics leading to violating the 1st law?
9. the role of hormones
10. asexual reproduction
11. Plutonium inventory
12. How long does ice in the Antarctic ice sheet last
13. Brain and learning

February 9

Wikipedia:Reference_desk/Archives/Science/2012 February 9

1. Ionic gases
2. The percentage of DNA sharing in Monozygotic twins
3. Could someone please draw up a schematic of an obvicopter?
4. Do permanent magnets generate heat at all?
5. question about plutonium
6. Human hair

February 10

Wikipedia:Reference_desk/Archives/Science/2012 February 10

1. Meter definition
2. BOMA
3. Electronic color code
4. Permission
5. UV light from sun
6. Hemoptysis
7. Age and intelligence
8. Relativistic (polar) jet directed in one direction
9. How much processing power would be needed to emulate a 4D visual cortex?
10. Visualizing point data
11. Astronomy stuffs
12. Light

February 11

Wikipedia:Reference_desk/Archives/Science/2012 February 11

1. Average lifespan of the stars
2. Valence of argon in argon fluorohydride
3. Why do we find baby animals cute?
4. Magnetic liquid
5. Stefan–Boltzmann law
6. Some isotopes of superheavy elements
7. Effect of exercise on metabolism
8. Owl faces
9. Hysteresis loss in ferrittes
10. Testing medicine by ignorant tested person
11. Brain transplant
12. Race, gender, testing, intelligence, ability, and predisposition by distraction
13. Absolute temperature ?
14. light speed limit

February 12

Wikipedia:Reference_desk/Archives/Science/2012 February 12

1. Dihydrotestosterone
2. The distance of the hair matrix to the scalp
3. Alkali metals
4. Almond appleseeds
5. Formula question
6. Novim
7. T Tauri
8. Mice
9. how does the body metabolise alkenes and alkanes?
10. Symbol?
11. data interpretation
12. Wound inductor

February 13

Wikipedia:Reference_desk/Archives/Science/2012 February 13

1. Analytical mechanics
2. Is there a name for Banak (Arabic word)
3. What Is The Use Of Risperdone?
4. What is done with the mice babies?
5. Why does my tervis tumbler attract cat lint?
6. Effect of exercise on metabolism, continued...
7. occurence of man made plutonium
8. Black hair
9. Uniform current distribution

February 14

Wikipedia:Reference_desk/Archives/Science/2012 February 14

1. The Biohazard Symbol
2. Flourescent lights
3. Arachnids vs Opiliones and Body Segments
4. Snellen vision
5. Speed of gravity waves to an observer at relativisitic speeds
6. Effect of an EMP on a positive current
7. System of particles in special relativity

February 15

Wikipedia:Reference_desk/Archives/Science/2012 February 15

1. Why has life evolved to use rare elements for essential functions?
2. government brainwashing campaign
3. Will a black blanket keep you warmer than a white blanket?
4. Sun as a rd giant
5. Can flu cause Epistaxis?
6. Diamond cubic crystal structure
7. Nitrogen(V)
8. Astronomy stuff
9. Amount of calories in different beers
10. Negative weight
11. Statistics books, applied to science
12. Benzisoxazinone
13. Snowflake symmetry
14. Fukushima
15. Molten fuel reactor

February 16

Wikipedia:Reference_desk/Archives/Science/2012 February 16

1. Flogging
2. Black holes
3. iodine
4. chaos and indeterminacy
5. silver
6. Distance formula to stars
7. Few questions about the second law of thermodynamics

February 17

Wikipedia:Reference_desk/Archives/Science/2012 February 17

1. Motion sickness and flying
2. Loss of appetite
3. Relativity: what's wrong with this logic?
4. angular velocity
5. Chameleons distance from lizards and geckoes
6. Basic concept of Ideal gases
7. Gulls and distance from Skuas...
8. Deriving the number of quantum states
9. ?Uniform magnetisation/saturation of thin ferrite sheet
10. Ancient Astronomy, Calendars & Leap Years
11. X-rays
12. Chernobyl on the Moon

February 18

Wikipedia:Reference_desk/Archives/Science/2012 February 18

1. Heterocycle-pi bonds
2. Swallowing (human) blood causes nausea. Why?
3. Query moved from Talk:Vaccination#"vaccination only works if you do it to everybody"
4. Adiabatic cooling and magma
5. Road Dust Reduction
6. DIssolving soap scum
7. Formula doesn't work why?
8. Abundance of chemical elements - graph
9. name that tree

February 19

Wikipedia:Reference_desk/Archives/Science/2012 February 19

1. Why doesn't the common cold infect nonhumans?
2. Mating the winner of a fight
3. Occurance of multiple cancer types
4. How does intake of food acids affect the human body?
5. Carnitine
6. Orbits of stars within globular clusters
7. Securing data physically

February 20

Wikipedia:Reference_desk/Archives/Science/2012 February 20

1. in an unstirred bulk polymerization that proceeds to 100 percent conversion how can the effects of shrinkage and heat of polymerization be handled?
2. Rechargeable battery
3. Infectious non-contagious diseases
4. which insect is this ?
5. Spectrum of stars
6. Flying a tethered quadrocopter
7. Dissolution of Biphenyl
8. Aluminum pot
9. Pregnant cats
10. Heliocentrism

February 21

Wikipedia:Reference_desk/Archives/Science/2012 February 21

1. blocking unsolicited junk email
2. SIngle-Atom transistors—The end of "Moore's Law?"
3. Accuracy of the speed of light in relation to FTL Neutrinos
4. Falling balls
5. Discharge tubes
6. event horizon
7. Earth/Moon tidal locking - timescale
8. Living planet
9. Mars analogue mission and food study

February 22

Wikipedia:Reference_desk/Archives/Science/2012 February 22

1. Waterworld planet?
2. Oxidation of Cyclohexanol to Cyclohexanone
3. Kalate or potassate
4. do lobsters use their claws
5. question
6. Peripheral nerve injury specialist
7. 'Timing' a Year
8. No hair theorem?
9. Hydrogenated Corn Syrup?
10. Cooling speed
11. Concrete Resistant Materials

February 23

Wikipedia:Reference_desk/Archives/Science/2012 February 23

1. Mpemba effect
2. Sheep Shearing? Surely!
3. Fasting blood glucose
4. dark matter is a time gap
5. What is highly substituted double bond?
6. Safety of Ground Zero After A Nuclear Blast
7. Relation between government deficit and debt
8. Do parrot view their cages as prisons?
9. Plumbane and other metal hydrides

February 24

Wikipedia:Reference_desk/Archives/Science/2012 February 24

1. Dual and quad satellite LNBs
2. 100% efficient engine violates the 2nd law of thermodynamics?
3. Tidal acceleration and the stopping of the Earth
4. psych question
5. Difficulty with understanding
6. Earth proportion to blue whale
7. Paintings and time
8. young's modulus
9. Extra moons and tides
10. Pressure and the nonmetal-to-metal transition
11. An astronaut on a very small moon...

February 25

Wikipedia:Reference_desk/Archives/Science/2012 February 25

1. Hermitian condition in Dirac notation
2. Electric trains and rails
3. Extreme oxidation states
4. Transistor question
5. What's the point of the "being" portion of Human Being
6. Oxosulphuric acid

February 26

Wikipedia:Reference_desk/Archives/Science/2012 February 26

1. Molality calculation
2. Lightning in Hawai'i
3. How do they measure genetic proximity for unrelated individuals?

February 27

Wikipedia:Reference_desk/Archives/Science/2012 February 27

1. Time travel
2. Binocular vision and microscopes
3. He fathered seven point five children in one night and about Genghis Khan he only laughed
4. Can a Silicon atom get split into smaller atoms, like a carbon and oxygen atoms?

February 28

Wikipedia:Reference_desk/Archives/Science/2012 February 28

1. can an exothermic reaction create ice?
2. Semi conductors
3. A ball rolling down an incline
4. What does Lidocaine have to do with wood?
5. distance and time to orbital velocity at tourist-acceptable G's at sea level, assuming vacuum?
6. Animal fat fuel
7. Slaughtering with a guillotine
8. Real, Physical Status of Odyssey Moon
9. How much of time dilation is a consequence of signal lag?
10. Nuclear disasters
11. The air-powered car isn't around - lobbyist conspiracy?
12. Adding/subtracting sine waves of the same frequency
13. Tryptophan in milk

February 29

Wikipedia:Reference_desk/Archives/Science/2012 February 29

1. Compressed water
2. Elemental Composition of Clay
3. copper sulphate
4. Other than water, expand as they freeze?
5. Active galactic nuclei obvious?
6. Matryoshka doll pressure chambers
7. Baryons, Quarks and the Pauli Exclusion Principle
8. Spectral line chart
9. Hunger for exercise
10. Air gills