Wikipedia:Reference desk/Archives/Science/March 2012

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March 1

Wikipedia:Reference_desk/Archives/Science/2012 March 1

1. Number 27
2. How did ruminant animals evolve?
3. Is tree-free paper recyclable?
4. Asteroid deflection
5. Hypersaline sensitivity
6. Missing percent daily value on Food Nutritional information
7. Electromagnetic railgun firing projectiles at 9,000km/h!
8. Cube (film)
9. Iridium windows ever really used in teletherapy devices to treat cancer?
10. Baryons, Quarks & the Pauli Exclusion Principle
11. Motorola RAZR V3i - Voicemail Problems
12. Hardiness (plants)
13. Gravitational vs Relativistic time dilation
14. Cherry blossom front - formula
15. In a PnP BJT transistor, the base, or the n is connected to both a negative terminal and a positive one. How can it be so?
16. Joints - not medical advice, just curiosity
17. Genetic recombination

March 2

Wikipedia:Reference_desk/Archives/Science/2012 March 2

1. Question about experiment
2. GRAVITY
3. P-N junctions forward biasing problem.
4. How can IR temperature sensors get readings no matter what angle they're pointing at?
5. Piranha bite
6. The Coriolis effect in relation to dogs (possibly stupid question)...
7. Could Wheatley have obtained lunar escape velocity?

March 3

Wikipedia:Reference_desk/Archives/Science/2012 March 3

1. Nuclear fission catalyzed by a high energy proton
2. Question about Higgs data
3. Ronni Kahn claims CO₂ reduction
4. Which Insect is this ?
5. How many shades of gray can the human eye see?
6. Which large predators can't see you if you don't move?

March 4

Wikipedia:Reference_desk/Archives/Science/2012 March 4

1. iodine reacting with titanium?
2. Differences in sizes of thighs
3. Iron(III) electron configuration
4. Unknown possible succulent from Southern California
5. Noise-cancelling headphones and microphones
6. Heavier Objects falling faster due to air resistance
7. Pascal's principle
8. Dimension
9. Fuel synthesis cost
10. Tunnel through the center of the earth
11. Does conservation of energy for unsteady ideal fluid hold?
12. Newton's cradle with 2 or more balls lifted
13. Why don't I bruise?

March 5

Wikipedia:Reference_desk/Archives/Science/2012 March 5

1. Which tree is this?
2. Brain Tumor & Migraine
3. Sporting equivalent of Spearman's g
4. Black hole (Singularity and Evaporation)
5. A unreferenced statement on the bothriocephalus acheilognathi wiki page
6. chemistry
7. Something odd
8. Old seed germination issues

March 6

Wikipedia:Reference_desk/Archives/Science/2012 March 6

1. Closest possible planetary alignment?
2. Destruction of planets by another
3. Stovetop power
4. Sodium vs. salt
5. how can bleach survive?
6. Do gravitational microlensing studies rule out compact objects as dark matter?
7. Can aluminium under go combustion by itself in the presence of oxygen?
8. Light dimmers

March 7

Wikipedia:Reference_desk/Archives/Science/2012 March 7

1. Where will earth get swallowed up in sun's R Giant Branch?
2. Free tools for visualization of time-varying vector fields
3. One Fundamental Interaction
4. Mickey Mouse Logic
5. Pain referral in appendicitis
6. Different sorts of intoxication

March 8

Wikipedia:Reference_desk/Archives/Science/2012 March 8

1. Humifider as Candle
2. What are these triangle metal plates hanging from power lines?
3. Mars

March 9

Wikipedia:Reference_desk/Archives/Science/2012 March 9

1. Deaf Thoughts
2. in the absence of modern genetic techniques (recombination, forward screens, etc.) how did biochemists elucidate biosyntheses
3. Acid-citrate-dextrose anticoagulant buffer
4. Will blood plasma clot without red blood cells?

March 10

Wikipedia:Reference_desk/Archives/Science/2012 March 10

1. Why laughter is the best medicine, scientifically speaking?
2. How about neither the Wright Flyer nor the 14-bis?
3. 3D printing for integrated circuits
4. scientifically, which deoderant is best?
5. Defrosting shrimp
6. Does hot food have more calories than cold food?

March 11

Wikipedia:Reference_desk/Archives/Science/2012 March 11

1. throat swab
2. Gallstone question
3. Is any evidence against fluctuations in the early universe expansion rate allowing baryonic dark matter?
4. Quantum tunneling
5. Transformation
6. Sleep-wake cycle
7. Chickens (O chicken, why art thou?)
8. Mixing ammonia and bleach

March 12

Wikipedia:Reference_desk/Archives/Science/2012 March 12

1. Track position of something
2. Journey time with constant acceleration drive
3. Verrucas
4. Fan
5. Aircraft and Faraday cages
6. Gut flora in poop
7. laws on cell towers
8. Dominant solar system plane inside a galaxy?

March 13

Wikipedia:Reference_desk/Archives/Science/2012 March 13

1. penicillin
2. Aerodynamics
3. Deflecting a bullet with a laser
4. Which country has the most rivers? The most river span?

March 14

Wikipedia:Reference_desk/Archives/Science/2012 March 14

1. NIST aluminium ion clock
2. Hospital de Sant Pau Barcelona Spain.
3. Mean Electrical Vector of the Heart
4. Electricity prices
5. Polyethylene
6. Dissuading bunnies from eating us out of house and home...

March 15

Wikipedia:Reference_desk/Archives/Science/2012 March 15

1. feeding plants carbon
2. Bullet through the brain
3. Car radio
4. Hydrogen scattering length density?
5. To what extent is a fermion's position part of its quantum state for the purposes of Pauli exclusion?

March 16

Wikipedia:Reference_desk/Archives/Science/2012 March 16

1. Meteorology question
2. Can a black hole also be, or contain, a neutron star?
3. Could cold dark matter have accumulated in orange dwarf stars?
4. Is ac supply used for driver circuits?
5. Milk
6. google satellite
7. quick chemistry question
8. need a non-phosphate buffer system that yields a pH of near-neutral (7 +/- 0.4)

March 17

Wikipedia:Reference_desk/Archives/Science/2012 March 17

1. Meaning of ground state chemistry notation
2. Are the concepts of closed space and sliders real concepts?
3. how do bridge makers model stresses
4. Software to draw schematic diagrams?
5. crypto rands automatically good for monte carlo?
6. Why is the urinalysis called also: "Routine and Microscopy"?
7. Why is the Urine culture called also Diaslide?
8. The relativity of time.

March 18

Wikipedia:Reference_desk/Archives/Science/2012 March 18

1. Element
2. Physics. Adding vectors.
3. Always being able to feel your heart beating is not normal?
4. Moving your hand in front of your closed eyes in a pitch-dark room
5. Tiger cognition
6. which branch of statistics
7. why does the chain make a 'triangle' shape between front (pedal) gear, back (wheel) gear, and this arm, on high-quality bikes?
8. Gynandromorphs and intersex
9. looking for a book in microscopy

March 19

Wikipedia:Reference_desk/Archives/Science/2012 March 19

1. Why do energy saving lights (Compact fluorescent lamp) stop working?
2. Arecibo message detection distance
3. Polyethylene II
4. LED lamp
5. Geomagnetic calculator
6. Theoretically, under controlled circumstances, can plants live indefinitely?
7. non-metal, non-nitrogenous acidic cations
8. Ramjet
9. additions and corrections update
10. Liposuction to produce biofuel

March 20

Wikipedia:Reference_desk/Archives/Science/2012 March 20

1. Valerian attracts or repels rats?
2. TNO: major problem with "orbital characteristics"-data
3. Audio oscillators
4. Why does biodiesel have less energy density than regular diesel?
5. Has the Sun met blinding stars in its travels?

March 21

Wikipedia:Reference_desk/Archives/Science/2012 March 21

1. who is closer phylo-genetically to the human?
2. USSR/Russia interplanetary probes
3. Solid fluorine
4. Application for vocational studies in Sweden.
5. Astatine alpha-decay
6. Recommended reading
7. 15 amu and an atomic number of 7(reply FAST)
8. accelerating expansion of the universe
9. Chemical weapons on the deep sea floor
10. Convention when drawing molecular ions.
11. Is it possible for a person to function as a human ZIP/RAR data compressor?

March 22

Wikipedia:Reference_desk/Archives/Science/2012 March 22

1. Orbital borrowing
2. Ceftriaxone
3. wood homes
4. respirator safety
5. LEDA 074886 discovery date
6. Help: Identify the Bird
7. Help: Identify the Bird (Black)
8. World Trade Center, height with old antenna

March 23

Wikipedia:Reference_desk/Archives/Science/2012 March 23

1. Are there any plant species that mimic the appearance of surrounding flora
2. Percentage of Solution
3. Utility of oil sands crude in the making of plastics
4. Help: Identify the Flowers
5. Help: Identify the Flowers (Pink)
6. Help: Identify the Flowers (White Flowers)
7. Help: Identify the Flowers / Plant
8. Good dyes for staining chromosomes
9. Places with the most living creatures per area
10. Extinction of one magnitude
11. an editing opportunity
12. Eating behavior inheritance

March 24

Wikipedia:Reference_desk/Archives/Science/2012 March 24

1. Reactivity of the lanthanides
2. Nuclear drones
3. Kelvin–Stokes theorem
4. Substances more reactive than pure fluorine
5. You know how a worm can sometimes re-grow into two whole ones if you cut it in half?

March 25

Wikipedia:Reference_desk/Archives/Science/2012 March 25

1. Why don't cars run on pure isooctane?
2. why do quadrocopters have 4 rotors?
3. What does intelligence really mean?
4. Alchohol proof/resistant?
5. floods in ireland
6. Do algae need nutrients

March 26

Wikipedia:Reference_desk/Archives/Science/2012 March 26

1. Flower Identification
2. How much less does PARC's method of making fuel from seawater cost than the Navy's?
3. Meteorite identification
4. African Hairless Dog
5. Smiling Moon
6. Jumping centipede ?

March 27

Wikipedia:Reference_desk/Archives/Science/2012 March 27

1. Blueshifted meteors?
2. Teenage Mutant Ninja Gull
3. FACTORS AFFECTING EMISSION OF EXHAUST GASES FROM A PETROL ENGINE
4. Lens pap ?

March 28

Wikipedia:Reference_desk/Archives/Science/2012 March 28

1. Physics collision/momentum problem
2. Breathing hydrogen
3. Black body radiation
4. Expansion of the universe
5. Washing hands / skin contact with diesel and kerosene
6. infinite universe yet always finite rate of expansion
7. Post-Angioplasty Stent

March 29

Wikipedia:Reference_desk/Archives/Science/2012 March 29

1. Distance to ULAS J1120+0641 and the age of the universe
2. Proper unit and force
3. Genome testing
4. german raider "wolf", at the end of first world war
5. Unidentified flowers
6. Titration curve of pure water
7. chaos
8. Plugging into the sun with carbon nanotubes + what is the world economy's ATP (energy carrier, biology metaphor)
9. VSEPR theory
10. looking to side to yawn
11. Do planes cast full-sized shadows?
12. wnhat would happen if the Earth stopped spinning

March 30

Wikipedia:Reference_desk/Archives/Science/2012 March 30

1. Things without Mass
2. eco-friendly utopia
3. Two questions about plastic bag bans
4. Duck with face texture like a chicken's wattle
5. Visual range of animals that differs from humans
6. Help with bird identification
7. Heavy water plant
8. second part of question: distributing energy in the world economy via carriers
9. having more rem dreaming or at least additive From-dream awakemenment

March 31

Wikipedia:Reference_desk/Archives/Science/2012 March 31

1. Pupil Dilation
2. Back pain is common because we sleep on mattresses?
3. Silicone rubber lids