Wikipedia:Reference desk/Archives/Science/September 2010

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September 1

Wikipedia:Reference_desk/Archives/Science/2010 September 1

1. Temperature and Chemical Equilibrium
2. Map of the Celestial Sphere
3. Eyesight and social development
4. Massive Stars
5. Bok choy
6. Understanding the evolutionary process
7. 99942 Apophis side effects
8. stellar collision
9. US penny coin composition
10. QR Codes
11. AIDS and stem cells
12. "Expiry" Date
13. Negative Terminal and Earthing
14. Low frequency variation in professional music production?
15. Help identifying a fish
16. Need medical term
17. Gunshots vs. Fireworks
18. Barcodes
19. Plane Crash
20. Chromium(III) sulfate
21. knock someone out with a blow to the head
22. Dancer in the Dark

September 2

Wikipedia:Reference_desk/Archives/Science/2010 September 2

1. Thrust vectoring
2. Shrinking helium
3. Energy from pressure difference
4. Falling stick
5. Mathematical sequence
6. Ant?
7. End organ
8. Where find actuarial statistics?
9. lifting an average passenger train car
10. Earth's Atmosphere
11. Theory of Relativity and Time Travel

September 3

Wikipedia:Reference_desk/Archives/Science/2010 September 3

1. Xyliooligo saccharide
2. What is protium hydroxide?
3. Quantum mechanics
4. ISOMERISM
5. mass and charge
6. Hurricane disruption
7. Novichok agent
8. What is the standard reduction potential for ascorbic acid
9. chicken
10. Question about being born brain dead
11. How to calculate the north pole right ascension and declination of Mars
12. Why can we see stars?
13. Looking at Fundamentals analytically
14. Blow hole flap?

September 4

Wikipedia:Reference_desk/Archives/Science/2010 September 4

1. Snoring = Collapsed Trachea?
2. World War III and Alein invasion
3. poisoned letter
4. Where does the ink from whiteboards go when you erase them?
5. Looking at the sun
6. Electric vehicles
7. Wild plant with large purple snapdragon flowers, serrated leaf edge
8. Forward-sweeping wings
9. radio
10. raining oil
11. tryn to find out what killed my mom in 1992
12. Distance required to see planet Earth from space?
13. Shorthand notations for nuclear decays

September 5

Wikipedia:Reference_desk/Archives/Science/2010 September 5

1. Is it possible for grass to ferment?
2. Science (dark matter and black holes)
3. Why can't I just get a local orthodontist to readjust braces installed in India?
4. Carbon steel
5. Quarks
6. Silicone Caulk
7. What kind of spider is this?
8. Development of the insulin unit (copy request)
9. Estimate of number of generations since origin
10. Confusion regarding electricity
11. Truck with a 3d picture on it - is it possible in reality ?
12. protein
13. Hilarious cupcakes
14. van't Hoff factor problem

September 6

Wikipedia:Reference_desk/Archives/Science/2010 September 6

1. Skyscrapers
2. MOSFET?
3. Killing the pain
4. Could Gene Therapy help in the removal of scars?
5. Faith
6. Plasma-powered cannon
7. Cost of building road tunnels
8. Some curious experiments

September 7

Wikipedia:Reference_desk/Archives/Science/2010 September 7

1. port tuning frequency
2. Methane, oxygen, and the trapped Chilean miners
3. Energy Conservation and the Cosmological Redshift
4. Is soccer or other team sport more predictable than individual sports?
5. charge
6. Hafnium controversy
7. Cooling the Chilean miners
8. Florida winter isotherm for indoor heating
9. The science of sex, and female libido
10. How to make 3-methylbutyl ethanoate?
11. "style"
12. Rotation of the Earth...
13. Springs squirting out of the ground
14. Reduction of copper(II) oxide to copper(I) oxide
15. Laplace pressure and bubbles
16. Why don't we use human waste for fertilizer?
17. lemon

September 8

Wikipedia:Reference_desk/Archives/Science/2010 September 8

1. Ancient bread
2. Desert heat
3. Atmospheric carbon scenario difference projections on math desk
4. de Broglie wavelength
5. Bees - five eyes
6. Why do your muscles ache when you have the flu?
7. Neil Armstrong tie clip
8. hand
9. glue
10. successor representation
11. Studying ice
12. Bolides
13. why do we laugh when someone falls?
14. Arsenic cyanide
15. Primary source of a wavelengths table
16. yellow

September 9

Wikipedia:Reference_desk/Archives/Science/2010 September 9

1. Laser beam expansion rates?
2. Hostage survival rates in modern times?
3. Stamp protection
4. Over-efficiency as a cause of extinction
5. Headache + lack of exercise
6. k1
7. power
8. Why can't we remove scars?
9. Ceramic pastes with high R values
10. Scientists break the speed of light
11. Potassium iodate used in bread
12. postman opened my door?
13. Giants
14. Anatomy of a brain
15. Integrated theory
16. Feynman Famous?
17. Lumen Loss
18. Asbestos: regulation and risk to neighbours in the UK
19. Particle board
20. How do frogs get into an isolated marsh?

September 10

Wikipedia:Reference_desk/Archives/Science/2010 September 10

1. Remote controlled almost self-replicating small production systems.
2. pimelea linifolia......flax leafed riceflower;
3. Polar night and midnight sun
4. What type of Machine Gun
5. Indoor heating in Florida
6. Carrots
7. Manganese as a free element
8. PANCREATIC CANCER AND GENOMICS RESEARCH
9. Wireless USBto
10. muscles shaking
11. Methane Toxicity
12. Strength not linked to muscle size?
13. tornado army tank
14. What happened to Ron Gellatley ?
15. Conflicting reactions
16. does Vitamin C increase or decrease the strength of the immune system?

September 11

Wikipedia:Reference_desk/Archives/Science/2010 September 11

1. Rainbow Falls
2. Sending nuclear waste to space
3. contradiction in electromagnetism
4. Horseshoe Crabs
5. Helium shortage
6. Lonely
7. Insulating magnets
8. Lifting heavy weights = nerve failure
9. Orbital overlap
10. Applications for chemicals

September 12

Wikipedia:Reference_desk/Archives/Science/2010 September 12

1. Density of methane clathrate and formation thermodynamics
2. TV
3. Ants
4. Can I get pregnant even if i had a postinor 2 tabs( within 48 - 72 hours)

September 13

Wikipedia:Reference_desk/Archives/Science/2010 September 13

1. Question about the flare-drop scene in Waterworld...
2. Parabens in Shampoos
3. What is the name of this "cognitive bias"?
4. Has there ever been a human culture that did something *besides* smiling to convey what we mean by smiling?
5. Why does masturbating take longer especially when I'm in a hurry to get somewhere?
6. Dead stars turn into diamonds?
7. Explode
8. Words
9. Electrical rating
10. Ball bearings and turntables
11. Medical question (not a request for medical advice)
12. Why must we not eat or drink anything prior to a blood test?
13. Honda
14. Paper houses
15. Why are these bees mating on the ground?
16. old article

September 14

Wikipedia:Reference_desk/Archives/Science/2010 September 14

1. Paint
2. How did the San Bruno pipe explode?
3. How did geocentrists explain the Midnight sun?
4. alcohol
5. Would food coloring pass to urine?
6. Dog limp
7. Phenphedrine Pills
8. Spin
9. How does a geographer define "mainland"?
10. Does anal sex occur between male and female animals?
11. Egg without yolk
12. Wood glue and aluminium foil
13. Hypothetical weight loss question
14. science

September 15

Wikipedia:Reference_desk/Archives/Science/2010 September 15

1. Lenses
2. THF and bleach
3. Conker Trees
4. Cost vs. Abundance of elements
5. Bonding with the Rocket
6. Don't fuel up on days with poor air quality?
7. Should you let your engine warm up on cold mornings? Why?
8. frying ginger -- a reverse aldol addition?
9. Did ancient Egyptians know the earth was round

September 16

Wikipedia:Reference_desk/Archives/Science/2010 September 16

1. Rare earth metals
2. is bleach compatible with any Lewis acids?
3. Organic compounds with metal ions
4. are receptor tyrosine kinases related by homology or analogy?
5. Valois in South America
6. Multiple voltage splitting circuits
7. Does the incubation period depends on the infected organ?
8. "Personality disintegration"
9. gutters
10. Reverse topographic prominence
11. Do all acids form chlorine from hypochlorites?
12. vandal proof remote dwelling
13. Reversed lens
14. dissolve organic compounds

September 17

Wikipedia:Reference_desk/Archives/Science/2010 September 17

1. light slowing down in a material
2. Date of a photo
3. FRACTIONAL DISTILLATION.
4. aids
5. wireless transmission of electricity
6. Sulfur oxidation state discrepancy
7. why does blood smell like a spoon?
8. liquid becoming solid at higher temperature?
9. hydrogen peroxide, oxidants and Lewis acids
10. Kitchen chemistry experiment

September 18

Wikipedia:Reference_desk/Archives/Science/2010 September 18

1. Symbolic suicide to end a delusional state
2. Physics question
3. Phonetic equipment
4. Harmful to handle frogs, then release them?
5. Inquire about semen and its impact on the face
6. Downloading a brain to a computer (part 1)
7. Downloading the brain (part 2)
8. Judean date palm from 2000 year old seed
9. Bzzzzt!
10. How many molecules in a cubic metre of iron?
11. Flash
12. wood chips
13. why isn't Iron(III) nitrate just as dangerous as nitric acid or iron(III) chloride?
14. Inverted leaves on plant
15. Viruses in food manufacture
16. Thermal vest?
17. Electron shells

September 19

Wikipedia:Reference_desk/Archives/Science/2010 September 19

1. Videogaming vs Watching TV - which is worse? any conclusive data?
2. Maternal death across mammal species... do the rates vary much?
3. The making of Thai fish stomach sauce
4. Angular momentum of very long wavelength light
5. animal maths
6. science
7. Elasticity
8. Metal compared to ice

September 20

Wikipedia:Reference_desk/Archives/Science/2010 September 20

1. Update to Aug 22, 2010 question by me re "Instructions for Filtering Water in Urdu Language"
2. Uses of natural rubber
3. What is the proper English name of this lamp?
4. Transmembrane protein
5. absorbers
6. Massive dose of radiation
7. Aspects of scientific studies

September 21

Wikipedia:Reference_desk/Archives/Science/2010 September 21

1. Turtle Star
2. What is AGTP?
3. Physical exertion/weird taste
4. Power supply for electricmotor
5. LAGRANGIAN AND HAMILTONIAN'S CONCEPT FOR GETTING EQUATION OF MOTION
6. Nuclear power cost
7. DNA
8. gold purity
9. ghost light
10. Direct vision/averted vision
11. Liquid helium production
12. Atmospheric tides of the moon
13. this

September 22

Wikipedia:Reference_desk/Archives/Science/2010 September 22

1. Cancer
2. house foundation
3. Iodized salt
4. transmission
5. is sulfamethoxazole is short acting or intermediate acting sulfonamide
6. Can giraffes cough?
7. Fleischmann–Pons experiment
8. Diastolic Dysfunction
9. Why does it take so long to get toxicology results?
10. What places endangered by global warming would make good vacation choices?
11. substitution for lye water in a recipe
12. Question about Einstein elevator and sensation of weight?

September 23

Wikipedia:Reference_desk/Archives/Science/2010 September 23

1. volatile bases
2. standing waves
3. In an experiment with a high-energy beam,
4. Gelling time of methylcellulose
5. Most common prescription drugs
6. Anything left to discover after electricity?
7. Percentage of deaths from infectious diseases in New York
8. Oripavin structure: wrong?
9. Right/Left Placement of Gas Tanks on Cars
10. latex primer
11. Basic magnetism question

September 24

Wikipedia:Reference_desk/Archives/Science/2010 September 24

1. How do autotransformers step up?
2. Worst case for Nuclear Waste
3. Bird
4. Unknown White Powder
5. Melting point of water, hydrogen and Oxygen
6. Brown coating(?) that has ruined aluminum parts
7. Aluminum pans in the dishwasher
8. What disease would cause someone not to be able to eat corn?
9. movement of a charged particle in an oppositely charged cloud
10. Washing powders that produce fake dirt
11. pupil dilation
12. How does this work? "low intensity pulsed ultra sound equipment has regrown dentin, pulp, gum, and density of mandible and maxilla bone"

September 25

Wikipedia:Reference_desk/Archives/Science/2010 September 25

1. Yellow jacket wasp, death of nest in winter
2. Angular nodes and nodal planes
3. Fire in Zero Gravity
4. I want to increase the melting point of Butter.
5. Sauces with cornflour or wheat flour
6. Can you make water from Hydrogen & Oxygen?
7. Relativity
8. Bleach and detergent
9. Dehydrated water

September 26

Wikipedia:Reference_desk/Archives/Science/2010 September 26

1. dihydroxy dimethylol ethylene urea
2. Ford Escape Securilock keys
3. Shelf life *after opening* Baileys Irish Cream?
4. Radioactive isotope of iron
5. Could ancient Egyptians see or not see the three "aligned" volcano peaks of Mars?
6. Timber recovered from an archaeological excavation
7. Distance that aliens could detect earth with our level of technology
8. is this star fruit? what is it?
9. motion of rocket.
10. Gold is the most electronegative of all the transition metals -- why isn't it a valuable organic catalyst like Pt or Pd or Rh or Os is?
11. Yellow copper compound
12. is CuCl soluble in neutral salty water?
13. Vehicle damage from hitting a pedestrian?

September 27

Wikipedia:Reference_desk/Archives/Science/2010 September 27

1. Psychologically why is destroying things so much fun?
2. Light from just after the Big Bang. Why is it reaching us now, since the matter from which earth was created also began with the Big Bang? Light travels much faster than matter.
3. UK Fuel Sources
4. Why do Paper Clips work better than Copper wire in an electrical stimulation experiment?
5. synchronized reflected vacuum energy waves fluctuations as the origin of Gravity: a case study: the black hole: a suggested mechanism of how gravity interacts with light waves, electromagnetic waves
6. Electro-conductive body paint?
7. Paramecium, communication, electromagnetic signals
8. Burning alcohol without a flame

September 28

Wikipedia:Reference_desk/Archives/Science/2010 September 28

1. Through-glass photography
2. Earth's surface
3. OOB/Armaments question - NATO choppers and recent airstrikes into Pakistan
4. Cigarettes
5. How proteins really work
6. Dichlorocarbenes and water
7. Microfin
8. slow combustion
9. Operators in QM
10. Crackle or hiss from radio
11. Why does the M16 have a higher muzzle velocity?
12. Acceleration of rocket
13. Does science yet have an explanation for how bees can fly?
14. Why are muscle cells multinucleated

September 29

Wikipedia:Reference_desk/Archives/Science/2010 September 29

1. A system of two electrons
2. Polyamidoamine epichlorohydrin
3. Physics: charges
4. Why the "standard" in "standard gravitational parameter"?
5. Peas and potatoes without fertiliser?
6. Touchscreens and finger damage
7. Ferric nitrate pictures
8. peppers and blood
9. Oxidation of pyrogallol
10. Oscar question
11. Bra-kets
12. Smell Illusion
13. Animal memory

September 30

Wikipedia:Reference_desk/Archives/Science/2010 September 30

1. DNA
2. Life 2.0?
3. Helium balloon deflation vs air balloons
4. When is an intron not an intron?
5. What is a atom?
6. Can you die by choking on an ice-cube?
7. Sugar and bleach
8. fiberglass
9. Need guidance In the following - Physics