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Wikipedia:Reference desk/Archives/Science/January 2009

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January 1

Wikipedia:Reference_desk/Archives/Science/2009 January 1

  1. Date
  2. An optional use for leeches?
  3. do the congenitally blind understand literary descriptions?
  4. Mechanical device that keeps something spinning in exactly the right speed

January 2

Wikipedia:Reference_desk/Archives/Science/2009 January 2

  1. Electro magnetic theory
  2. What the Fuck is Fermet's Last Theorum?
  3. penetration of UltraViolet A rays in flesh
  4. Solar cell production capacity
  5. DNA math
  6. pittuitay tumors
  7. How many species are there?

January 3

Wikipedia:Reference_desk/Archives/Science/2009 January 3

  1. What is it eating?
  2. Do we have any defense at all against meteors, black holes, etc.?
  3. Pesticides
  4. Kale
  5. "Blind spot" in face recognition?
  6. Bolbidia
  7. World steel supply irradiated ?
  8. sexual reproduction would never work.

January 4

Wikipedia:Reference_desk/Archives/Science/2009 January 4

  1. Engineering indexes
  2. Frequency of mass
  3. Advantage of large population
  4. Acceleration?
  5. Why is Jelly easier to swallow than water?
  6. Placebo
  7. Animal cooperation and co-learning
  8. Where/when was c first used as the symbol for the speed of light?
  9. Time dilation
  10. Asteroid orbital elements
  11. Please identify this flower
  12. Special relativity, time dilation, practice?
  13. What is the difference between neuronal circuitry and neural circuitry?
  14. How often do transposons jump?
  15. Hard-boiled eggs
  16. ZMF in special relativity

January 5

Wikipedia:Reference_desk/Archives/Science/2009 January 5

  1. Possible Meteorite strike
  2. Ray that stops internal-combustion engines
  3. Are there any Nobel winning scientists in baseball?
  4. Titanium Knives vs. Stainless Steel
  5. Daytime Conflict with clock time
  6. Headphones jack or line out?
  7. How long will it take for Pluto to clear its neighborhood?
  8. how many horsepower can a horse pull with?
  9. Racemates/racemic mixtures
  10. Genetics
  11. Volume controller
  12. Artificial Gravity
  13. A Zebra Finch as a pet?

January 6

Wikipedia:Reference_desk/Archives/Science/2009 January 6

  1. Looking back in time through space
  2. Potassium supplement dosage
  3. The Universe
  4. Four fundamental interactions as four formulas
  5. mech engineering related(new idea)
  6. Ice in craters of Mercury
  7. Atomic masses
  8. chemicals for surgical gloves
  9. Definition of "Life"
  10. Whistle in water
  11. Charges on a sphere
  12. Breathing in cold weather
  13. [[Wikipedia:Reference_desk/Archives/Science/2009 January 6#|]]
  14. Gaining immunity to the common cold?
  15. Fighter plane firing a bullet
  16. Shape of Planets
  17. Deliriants vs. Hallucinogens

January 7

Wikipedia:Reference_desk/Archives/Science/2009 January 7

  1. This
  2. Transistor configuration in a radio Tx/Rx
  3. Quantum Physics - The double Split Experiment
  4. dextrose & ct scans
  5. Darting PVDF membrane magic trick
  6. Scabies
  7. you better have an explanation for this
  8. Does this represent inertia?
  9. Buying Optical fiber

January 8

Wikipedia:Reference_desk/Archives/Science/2009 January 8

  1. problem in thermodynamics
  2. In Electric current(AC-230V) transmission-household wiring, why cannot we sense Nutral current using normal Current tester?
  3. Light as waves AND particles
  4. if an acid is added to a salt...?
  5. Mensa and god
  6. Solar power for a house
  7. Temperature at which Magnesium ignites
  8. Colorlessness of a solution
  9. knotty problem
  10. If the sun went out...
  11. Alcohol
  12. Child and Adolescent psychotherapist
  13. What's the lowest pint in Badlands national park?

January 9

Wikipedia:Reference_desk/Archives/Science/2009 January 9

  1. Do we know if egg-laying is painful for birds?
  2. If our universe is an open one, is not that a a paradox?
  3. Strength of intermolecular forces
  4. Lightning
  5. CO2 in a fish tank for plants
  6. How is it that all life on Earth descended from a common ancestor and not multiple ancestors?
  7. Orders of magnitude for force...?
  8. Cnidocysts stronger than a bullet??
  9. Protein Engineering

January 10

Wikipedia:Reference_desk/Archives/Science/2009 January 10

  1. Force of rain dropping
  2. Crude death rate map
  3. op amp
  4. Recuperation after a stroke

January 11

Wikipedia:Reference_desk/Archives/Science/2009 January 11

  1. Polarisation and magnetisation
  2. I got a question if water can explode?
  3. Audio quality - sampling rate versus bits per sample.
  4. Getting Younger Every Day
  5. Apparent Size of the Moon
  6. What are recent developments in Internal Combustion Engines?
  7. tingling in the chin
  8. Levitation - frogs or otherwise.
  9. Phosphate pit
  10. light
  11. "Super greens" pills
  12. Doing X will "flush the toxins out of your body"?
  13. Radar turns on a radio?

January 12

Wikipedia:Reference_desk/Archives/Science/2009 January 12

  1. A pile-up limit?
  2. Blood Diseases.
  3. White metal?
  4. This
  5. Benzophenone
  6. ICOS or Icos?
  7. cannibis
  8. Torque
  9. Copolovian Mischief
  10. A question on gravity
  11. Temperature
  12. Supersonic wind?
  13. Immunofluorescence
  14. LED light bulbs dimmable?
  15. so much for your precious physics!
  16. Gravitational Earth xray

January 13

Wikipedia:Reference_desk/Archives/Science/2009 January 13

  1. Paternity Test
  2. penetration of UltraViolet A rays in flesh
  3. How Alternating Current Flows in elcetrical wire?
  4. Ground Glassware Joint sizes
  5. The genetic aspects of personality ?
  6. Medication Expiration
  7. STARS AT NIGHT
  8. Medical question
  9. what is the relationship between heat and information?
  10. can an Electric shock actually throw you across the room?

January 14

Wikipedia:Reference_desk/Archives/Science/2009 January 14

  1. Synthesis study?
  2. LED lamps - how they change colors so smoothly?
  3. Duration of Venlafaxine withdrawal symptoms?
  4. number of mice in lab
  5. Breathing out - controlling the temperature/heat
  6. two sets of DNA in one person - episode of house.
  7. Poor performance of guerrillas
  8. Geography of Quebec
  9. M2 Browning machine gun acessory
  10. Bandy Ball
  11. USP
  12. Human perception of light versus sound
  13. Something smells fishy...
  14. Speed of light

January 15

Wikipedia:Reference_desk/Archives/Science/2009 January 15

  1. Why don't mountain climbers' eyeballs freeze?
  2. work and momentum
  3. Fate of feral pigeons, feral gulls and feral starlings if humans became extinct?
  4. Neutron star with event horizon
  5. Is there a center of the universe?
  6. Power adapter
  7. No sleep
  8. menstrual cycles
  9. Meniscus Lens Ray Diagrams

January 16

Wikipedia:Reference_desk/Archives/Science/2009 January 16

  1. Saving money by freezing water
  2. Stone use
  3. Question about waves
  4. solid objects behavior under stress
  5. fibrinogen
  6. fifth dimension
  7. unified theory
  8. What do economists know, really?
  9. Using frogs to keep milk cold
  10. moment of inertia
  11. Blood spurts
  12. Short tongue and snipping
  13. How many possible genetic variations or combinations from one couple ?
  14. Storage capacity of the human brain ?
  15. Perception of one colour being "brighter" / "darker" than another
  16. Organ barter
  17. Private health care in the US
  18. why does gas burn blue?

January 17

Wikipedia:Reference_desk/Archives/Science/2009 January 17

  1. Will Uranus and Jupiter eventually lose it's rings?
  2. Darvocet (Propoxyphene) Overdose Dosage
  3. Tidal lock with the sun
  4. What's a good resource for algae?
  5. mass of photon
  6. Vitamin D and Tanning
  7. sun collapsing
  8. Collisions with the sun(four related questions)
  9. Tachycardia
  10. Limit of Cold

January 18

Wikipedia:Reference_desk/Archives/Science/2009 January 18

  1. Can I buy cyanide being 16 year old
  2. Chest pain
  3. related to physics
  4. knowledge key
  5. dim flashes from a Fluorescent lamp
  6. pi calculation formula
  7. Long-term storage of lithium ion battery
  8. Muscle Tone and Protein Intake
  9. Negritos, Indigenous Australians, Pacific Islanders, and Thai people...
  10. A question and a few "if so..."s
  11. wet vs. cold
  12. leaded brass

January 19

Wikipedia:Reference_desk/Archives/Science/2009 January 19

  1. What kind of audio processing is this?
  2. Is the areola/nipple of the breast (any breast, but a female breast I'm thinking of) a mucous membrane?
  3. Apparent violation of the Second law of thermodynamics at quantum level?
  4. MANUFACTURING PROCESS
  5. Fresnel drag
  6. Is there any solvent in the world has ph below 1.5 but without bubbles when spraying?
  7. tensing head/neck muscles
  8. stimulated emission
  9. Is there a chance that Mars will be swallowed up/?
  10. Original use of copper wire, before electric use
  11. Longevity of woman
  12. Types Of Cells Containing Nuclear Pores
  13. abbreviation for the word molecules that is different from mol or moles

January 20

Wikipedia:Reference_desk/Archives/Science/2009 January 20

  1. A pore excuse for a question...
  2. True color image vs. false color images
  3. Rechargable batteries - the 'S' terminal?
  4. First movie projector for more than one person?
  5. Homo genus
  6. von brun's nest
  7. nissle's substance
  8. Is this a lichen or an animal colony?
  9. MAG 29
  10. Temperature of a lit cigarette
  11. rice in a silo exploding
  12. Golden Ratio
  13. Nutrition of a Egg whites

January 21

Wikipedia:Reference_desk/Archives/Science/2009 January 21

  1. Surface roughness
  2. BATTERY
  3. Plastic In Bandy Balls
  4. penicillin test
  5. 747-400 seat cushion dimensions
  6. Depleted uranium
  7. Natural Polymers
  8. Iris Depigmentation
  9. Lingual Frenectomy in Adults?
  10. Total size of all Wikipedia articles
  11. Submarine motion
  12. steel
  13. concrete specimen
  14. Regarding sight
  15. Titan vs. Europa over 5-7 billion year sun

January 22

Wikipedia:Reference_desk/Archives/Science/2009 January 22

  1. Aerated autoclaved concrete
  2. How to have a nightmare
  3. Creation of unfeasably large nuclei through the quantum zeno effect
  4. Effect of Sildenafil (Viagra)
  5. Expanding universe
  6. Foucault pendulum in Lost
  7. :: in gene notation

January 23

Wikipedia:Reference_desk/Archives/Science/2009 January 23

  1. air compressor
  2. how do explosions destroy things
  3. Viewing memories from a cat's brain?
  4. Do female athletes and sportswomen, especially in 'masculine' sports, have more testosterone than average women?
  5. Neanderthal cranial size
  6. spiral bevel gears
  7. Electronics
  8. microbiology
  9. Question about the hologram universe article in New Scientist issue 2691
  10. What does "space is a vacuum" mean?
  11. Energy stored in air, compressed by supersonic object
  12. Chaos Theory. Is this a croc, or what?

January 24

Wikipedia:Reference_desk/Archives/Science/2009 January 24

  1. Non-teratogenic mutagens
  2. Space tube: Sucking or Blowing?
  3. Space/matter
  4. Compressible liquids
  5. Second moment of area
  6. treeful of goats??
  7. What kind of bacterium does this?
  8. Equations of motion
  9. Kids holding books upside down

January 25

Wikipedia:Reference_desk/Archives/Science/2009 January 25

  1. Burying charcoal to mitigate global warming
  2. Rope bridges over big gaps
  3. Circuit schematics: are these good?
  4. Death by toaster?
  5. Choice of anticoagulant
  6. help
  7. communicating space tube
  8. power available from daylight
  9. Gluten question
  10. Cosmic gods
  11. mt st helens
  12. Which lightbulb?
  13. Identifying a street light bulb
  14. Water Clock Thingie Question
  15. Definition of Work

January 26

Wikipedia:Reference_desk/Archives/Science/2009 January 26

  1. Air pressure or surface tension
  2. Catching the milk
  3. The car of the future!
  4. Einstein Field Equation
  5. Drake equation with infinite L
  6. In dogs, say a Great Dane and a Chihuahua were to breed through artificial insemination...
  7. Progesterone receptor A - isoform
  8. greatest possible scientific progress 40 years ago from single twitter?
  9. Displacement, s
  10. viscosity vs. temp
  11. Alternating current outlet
  12. Compact fluorescent light bulb hooked up backwards
  13. Why do octane raings vary?
  14. Skin temperature and freezing

January 27

Wikipedia:Reference_desk/Archives/Science/2009 January 27

  1. Errors in casting plastics
  2. Spontaneous absorption of water waves
  3. soap
  4. question about HIV/AIDS
  5. Vines climbing around a tree
  6. Help on Forces
  7. Most stuff eaten at once and eating things whole
  8. Does this count as "whistling"?
  9. Autoclaving liquid
  10. osmole confusion

January 28

Wikipedia:Reference_desk/Archives/Science/2009 January 28

  1. Can one guess the mass of a dice?
  2. Backwards FET operation
  3. intensity light
  4. Feed the sailors with carrots so they'll have better eyesight.
  5. Organ donor records
  6. Osmole Confusion Part II
  7. Wearing a coat inside making the cold outside feel colder.
  8. Synthesis of Benzene
  9. Letter to the BMJ
  10. Autodidact: how to prove that you learned something

January 29

Wikipedia:Reference_desk/Archives/Science/2009 January 29

  1. Parallel Universes' Laws of Physics
  2. Centripetal vs. Centrifugal
  3. Seeing bubbles on a leaf in water
  4. Atomic Bombs and Radiation Burns
  5. Loss of memory cells
  6. Doctors in Médecins Sans Frontières
  7. About Ocean Tides
  8. Crystal violet staining for cell-counting
  9. Swollen abdomen in Kwashiorkor
  10. Cause of death in the ocean
  11. Guidance required.
  12. Tons to kN conversion
  13. NPN transistor as a switch
  14. Space
  15. Determing the thermoelectric cooler's current output when using a fan as a load
  16. humans ≠ able to tell time
  17. Earth without a moon.

January 30

Wikipedia:Reference_desk/Archives/Science/2009 January 30

  1. Rice and Play-doh
  2. Digestive grinding stones
  3. Eosinophil
  4. What makes heating a house using geothermal inefficient in the US
  5. UFOs
  6. Mitochondrial DNA from sperm to zygote
  7. Scientific question
  8. Firing a pistol sideways
  9. Engineering Book for Children
  10. Quantam Mechanics, de Broglie wavelength, baseball
  11. My UFO Story or What did I see?
  12. Skywarn Spotter Training
  13. Atlantic hurricane tracks
  14. Robert Burns and gold conductor
  15. Islam...
  16. Gravity escaping black holes.
  17. Books on string theory

January 31

Wikipedia:Reference_desk/Archives/Science/2009 January 31

  1. momentum object
  2. general theory of relativity
  3. electrodepostion of copper, efficiency of cathode?
  4. Make our brain store memory.
  5. Best way to pour liquid out of a cup without it dribbling down the side?
  6. Electric shock
  7. Urban legend regarding pitbulls
  8. i dont want JOWLS

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