Wikipedia:Reference desk/Archives/Science/May 2009

= May 1 = Reference_desk/Archives/Science/2009 May 1


 * 1) Elephants are good mimics?!?!
 * 2) Swine flu question
 * 3) midlatitude cyclogenesis -- exactly how do low pressure systems deepen?
 * 4) INVISABILITY CLOAK
 * 5) To steve baker buddy about sodium
 * 6) geostrophic/gradient wind and equilibrium
 * 7) lifespan of dinosaurs
 * 8) Mobile phone radiation
 * 9) Radio waves and humans
 * 10) most common basics to staying beautiful
 * 11) medium oil
 * 12) acid question
 * 13) Creation of A Death Note?
 * 14) Instincts in Humans
 * 15) Materials science
 * 16) Please help identify the correct species of this butterfly
 * 17) Please help identify the correct species of this bird / duck / egret - what ever it is!
 * 18) Alcohol (hand sanitizer, communion wine) and the flu

= May 2 = Reference_desk/Archives/Science/2009 May 2


 * 1) Correspondence section of scientific journals
 * 2) Term for sounds or smells that trigger past memories
 * 3) Hairy
 * 4) Tear duct plugs
 * 5) Speakers
 * 6) Why can we envision things from before we were born?
 * 7) Speed of Electricity Part II
 * 8) B vitamins and stress?
 * 9) Are all sexually reproducing animals genetically unique?
 * 10) Science Channel Documentary and Quantum Uncertainty
 * 11) Infinite speed communication
 * 12) Liquid to solid phase change due to shock

= May 3 = Reference_desk/Archives/Science/2009 May 3


 * 1) virus evolution
 * 2) Broken leg on a horse = death sentence?
 * 3) Wikipedium
 * 4) What happened to this gentleman?
 * 5) Gyroscopic couple
 * 6) Best shape of a blade to cut through a homogenous medium?
 * 7) Tsunami hit US?
 * 8) Pigs in Egypt
 * 9) What is the Weight of the Earth in Pounds?
 * 10) Is milk marked as hazardous
 * 11) how do I frickin slice bread???
 * 12) Endergonic but exothermic reaction
 * 13) Unecessary use of radioalablled nucleotides?

= May 4 = Reference_desk/Archives/Science/2009 May 4


 * 1) Charging small objects
 * 2) Lenz's law and equilibrium
 * 3) Do container ships carry containers in their holds?
 * 4) dimensions
 * 5) foods that are unsafe COMBINED in stomache?
 * 6) shelf life of ammo
 * 7) Time travel (sorry)
 * 8) Processional orbit
 * 9) Spring stiffness

= May 5 = Reference_desk/Archives/Science/2009 May 5


 * 1) meaning of computer
 * 2) Steve Baker
 * 3) Overeating fish
 * 4) Help understanding a poem
 * 5) sawtooth wave amplifire.
 * 6) How to convert between micrograms per ml and parts per million?
 * 7) Extra-specific contagious yawn
 * 8) Stabbing the brain dead
 * 9) Act of (Human) Crying
 * 10) Standing on the world's axis
 * 11) Cross-breeding: human + something
 * 12) Digital audio player with resume-from-playlist function
 * 13) Best sources
 * 14) Buoyant plume
 * 15) spinning
 * 16) Group velocity of a monochromatic wave

= May 6 = Reference_desk/Archives/Science/2009 May 6


 * 1) Wouldn't adding any potential energy to a system make something infinitely massive?
 * 2) Gravity well thought experiment
 * 3) Pls help me wid my hw?
 * 4) Noisy flies
 * 5) Cartridge specifications
 * 6) Can you explain me this?
 * 7) Spider Question
 * 8) planetary search
 * 9) Can our hops, or released bodies from the ground cause slip with respect to the Earth rotation?
 * 10) Stirring vs. jiggling
 * 11) Russian "quarantine" after spaceflight?
 * 12) Birds tapping on windows

= May 7 = Reference_desk/Archives/Science/2009 May 7


 * 1) IQ
 * 2) Dudaterin
 * 3) Race of the Future
 * 4) Living fungus?
 * 5) Fly sounds
 * 6) Double Slit Experiment
 * 7) Science and believe
 * 8) Saw sheet of tiny plant 1/8th inch high
 * 9) where's the article for NH2COOH?
 * 10) What causes fishy odour?
 * 11) Relation between two angles in doppler effect
 * 12) Mercury and Venus
 * 13) EU / US mpg difference
 * 14) Ringnecked parakeet

= May 8 = Reference_desk/Archives/Science/2009 May 8


 * 1) Skin color in Hindu art
 * 2) Gravitational potential of an 'eccentric' object
 * 3) How to ensure 100% RDA with supplements?
 * 4) neutrons, protons and electrons
 * 5) Surface tension
 * 6) British bird identification/song question
 * 7) Identifying a tree
 * 8) Magnatite and hydrochloric acid
 * 9) Random number
 * 10) When two waves intercept at a right angle
 * 11) youtube
 * 12) mWS in a mesurement of pressure drop
 * 13) buffer solution
 * 14) Speed of magnetic and electric fields
 * 15) Carbon Dioxide and Dry Ice
 * 16) Aluminium in tap water, tea, vegetables, and foods?

= May 9 = Reference_desk/Archives/Science/2009 May 9


 * 1) Cockatiel Blues
 * 2) Thought Experiment:  Perpetual Energy
 * 3) MSUD in Adults??
 * 4) Earthquakes
 * 5) Electric circuit for highpower sawtooth wave output.
 * 6) Downshifting vs. braking
 * 7) Climate change vs. Global warming
 * 8) marine diesel engine
 * 9) Kc calculation
 * 10) teeth
 * 11) Class of drug
 * 12) How a factory works
 * 13) Net charge of earth
 * 14) Polynomial in several variables
 * 15) cloud formation
 * 16) Pur water filter.
 * 17) Light bulb
 * 18) Balanced symbol equation

= May 10 = Reference_desk/Archives/Science/2009 May 10


 * 1) Microwave oven question
 * 2) has there ever been a double-blind study of any of the claims of the bible?
 * 3) Quark strangeness and charm
 * 4) Submarine hull breach
 * 5) The volume of ice at the north and south ice caps and Greenland?
 * 6) Time Travel
 * 7) Psychokinesis
 * 8) Why do males have nipples?
 * 9) Physical error in Star Trek?
 * 10) the sun's limb
 * 11) Lightning Photographs

= May 11 = Reference_desk/Archives/Science/2009 May 11


 * 1) Quanta
 * 2) Hypocenters
 * 3) Chimera
 * 4) "God probably doesn't exist"
 * 5) Does half the voltage mean half the power?
 * 6) What are the benefits of a tree structure?
 * 7) Mutants leaving home to adapt

= May 12 = Reference_desk/Archives/Science/2009 May 12


 * 1) cold virus and cold water
 * 2) using computer and eye problems
 * 3) Temperature of the Exosphere
 * 4) dogs and grass
 * 5) Is the speed of everyones brain similar?
 * 6) units
 * 7) molecules and electrons
 * 8) What's That Bug, episode 271,828,183
 * 9) electrons and molecules
 * 10) Removing COSTAR from Hubble
 * 11) egg yolks
 * 12) Common liquids
 * 13) magnetic rotation
 * 14) Redox
 * 15) Keeping strong alcohol in plastic bottles

= May 13 = Reference_desk/Archives/Science/2009 May 13


 * 1) Blood in near vacuum
 * 2) Runway threshold markings
 * 3) Potential energy
 * 4) MICROPROCESSOR
 * 5) Hypnotic state of mind while watching t.v.
 * 6) Sound Energy Converter
 * 7) megawatt to kg, dm and minute
 * 8) So I just measured my penis size, why am I not happy with it?
 * 9) Why does sticking your thumb on a water hose make the water come out faster?
 * 10) why do women love chocolate
 * 11) Perspective of an electron
 * 12) Grumbling Tummy

= May 14 = Reference_desk/Archives/Science/2009 May 14


 * 1) Zoological Society of London - Presidents and Secretaries
 * 2) Nature of electron
 * 3) Future remote DNA sampling
 * 4) average life of furniture?
 * 5) 'Bubbles' in the Sky
 * 6) Name that disease
 * 7) Faffing about in space
 * 8) global positioning system
 * 9) SI to cgs
 * 10) meiosis
 * 11) enhanced oil recovery
 * 12) what is nitrostyrene?
 * 13) KCN
 * 14) Climate Chart Search
 * 15) Rockets

= May 15 = Reference_desk/Archives/Science/2009 May 15


 * 1) Can tame, captive-bred animals be used to breed offspring that can be returned to the wild?
 * 2) Huntington's disease in Scotland
 * 3) Making the Rage Virus
 * 4) Partial Pressure
 * 5) Yet another perpetual motion machine
 * 6) molarity
 * 7) Gene Accession to Protein ID conversion
 * 8) Wet, Soap, Wash, Rinse, Dry
 * 9) What is reality ?
 * 10) Left/right and relativity
 * 11) Identify this military equipment
 * 12) calculation
 * 13) Biomass
 * 14) EARTH
 * 15) units

= May 16 = Reference_desk/Archives/Science/2009 May 16


 * 1) Dryer sheets
 * 2) Digestion
 * 3) Bird identification
 * 4) Suicide Bridge
 * 5) Age and energy
 * 6) Swans - can they break your arm?
 * 7) is there any evidence that the NSA uses Papal infallibility?
 * 8) How to identify flowering plants - both wild and garden?
 * 9) Adaptation or death effect?
 * 10) Minimum force to break an arm (inspired by swan question above)
 * 11) HIV antibody testing
 * 12) Metal Salts
 * 13) quantum mechanics
 * 14) Is it physically possible to rip a man's arm off with your bare hands?
 * 15) Infinite Improbability
 * 16) Science Desk Question
 * 17) TB treatment that grants immunity to lung cancer?
 * 18) Time Zones

= May 17 = Reference_desk/Archives/Science/2009 May 17
 * 1) what spider is this?
 * 2) Variable Frequency Sine Wave Generator
 * 3) Human digestive system - top speed? ;-)
 * 4) 3 PHASE IN ELECTRIC POWER SYSTEM
 * 5) Egg crystals?
 * 6) Little gas poker
 * 7) What is the name of this bird?
 * 8) HIV and preeclampsia
 * 9) LOL
 * 10) Magic and illusion
 * 11) Lye in a swimming pool

= May 18 = Reference_desk/Archives/Science/2009 May 18


 * 1) Dry skin itch
 * 2) Evidence of a civilization a billion years ago
 * 3) coefficient of volume elasticity
 * 4) dimensional analysis
 * 5) Brain health
 * 6) Houseplant identification please...
 * 7) Earth Rotation Effects
 * 8) name that snake
 * 9) 8D type batteries
 * 10) Name that fluffy white lint bug!
 * 11) Radios in tunnels
 * 12) fuel stability
 * 13) Does space feel cold?
 * 14) Plastics, Playdough and thermoelastisity
 * 15) Identifying some Australian animals from Sydney Wildlife World

= May 19 = Reference_desk/Archives/Science/2009 May 19


 * 1) Tree questions
 * 2) dimensional question
 * 3) explosive force calculation based on weight.mythbusters??
 * 4) cats landing on their feet
 * 5) mass increase or mass energy equivalence
 * 6) artifact hoaxes
 * 7) momentum and relativity
 * 8) biomedical projects?
 * 9) Number of individual lifeforms on this planet?
 * 10) Film speed vs. digital gain?
 * 11) Amount of vegetable fat in ml
 * 12) Involuntary digestive organs?
 * 13) Climate Variation
 * 14) Radios in tunnels
 * 15) fuel stability
 * 16) Does space feel cold?
 * 17) Plastics, Playdough and thermoelastisity
 * 18) Identifying some Australian animals from Sydney Wildlife World

= May 20 = Reference_desk/Archives/Science/2009 May 20


 * 1) What labs, books, and conferences are there about research on the neuroscience of empathy?
 * 2) Throwing a ball of wool (or twine) to a lion/tiger...
 * 3) Genus
 * 4) Butterflies/moths identification
 * 5) Work = Force*Distance or = Force*Time?
 * 6) How to best boil water?
 * 7) Unability to lose fat?
 * 8) CO2
 * 9) Hubble Propulsion
 * 10) Setup to play music in apartment
 * 11) Human Skulls
 * 12) mt doom
 * 13) Professional sport gamblers
 * 14) Early primate Darwinius shown at keyboard?

= May 21 = Reference_desk/Archives/Science/2009 May 21


 * 1) Coraline and Real-D
 * 2) Velocity profile of typical 12V DC electric motor
 * 3) Was the ice age cold enough?
 * 4) When birds sleep...
 * 5) On the topic of thunderstorms and humans
 * 6) Avoiding sexual arousal
 * 7) Rules of thumb to identify wildflowers?
 * 8) Biology - water
 * 9) Self-suggestibility - link to confabulation?
 * 10) Carbon Monoxide Poisoning
 * 11) Scanning western blots randomises results...
 * 12) Energy from walking feet

= May 22 = Reference_desk/Archives/Science/2009 May 22


 * 1) does THC cause weed's smell?
 * 2) Hypermetropia
 * 3) Lilac bushes
 * 4) BTU'S produced by a conventional 4 or 6 cylinder engine
 * 5) List of longest rivers in Poland
 * 6) Eating too little fats
 * 7) Question
 * 8) Question 2
 * 9) How long before the earth runs out of food?
 * 10) food web
 * 11) Phlegm and vocal range
 * 12) Calulating the Surface Area of the Human Body
 * 13) Hip anatomy
 * 14) When did fruit bearing plants first evolve and what was the first fruits?
 * 15) Dendritic cells
 * 16) What is the average pushing power of a man in psi
 * 17) Fancy Guppy Reproduction

= May 23 = Reference_desk/Archives/Science/2009 May 23


 * 1) Solar-powered vending machine indoors?
 * 2) Insect identification
 * 3) Air vortex force calculation
 * 4) Fancy swordcraft and damaged clothing...
 * 5) Calculating oversteer/drift in a car
 * 6) Today's featured pic
 * 7) Looking for a quote by Taiichi Ohno
 * 8) Breaking stength of an extension cord.
 * 9) Mystery sea creature
 * 10) 5d optical recording
 * 11) Irresistible force paradox

= May 24 = Reference_desk/Archives/Science/2009 May 24


 * 1) Cold air
 * 2) Cartophilia
 * 3) Cooler to wear long sleeves in the sun?
 * 4) Strange blue sea creature on NSW coastline
 * 5) Theoretical lower bound of maximum member load in a truss?
 * 6) Swimming pigs
 * 7) How "lagged" is my television or radio?
 * 8) Why do humans need fat in their diet?
 * 9) Why is the Dust bowl no longer a problem?
 * 10) Building muscle
 * 11) Instrumentation
 * 12) Powering a Phobos Colony
 * 13) flourescent lights inop.
 * 14) prognostic markers
 * 15) Saturn floating on water
 * 16) Weird Bug
 * 17) Jet fighter sledging along on wet grass

= May 25 = Reference_desk/Archives/Science/2009 May 25


 * 1) Casino Royal Poisoning Scene
 * 2) Virginity -- Celibacy
 * 3) Strange aircraft wing
 * 4) derating factor
 * 5) Steam II
 * 6) Gray hair
 * 7) Racism and science.
 * 8) casimir effect pressure anomalies
 * 9) the color of protons/nutrons
 * 10) Snakes
 * 11) Spider eyes
 * 12) "You can lead a cow up a flight of stairs but not down a flight of stairs - because of the design of their legs..."
 * 13) Distance That Whale Song Is Audible
 * 14) scientific method and evolution
 * 15) Predicting Rainstorms

= May 26 = Reference_desk/Archives/Science/2009 May 26


 * 1) Understanding the Michelson-Morley Experiment
 * 2) why do dragsters have thick tyres?
 * 3) What does the "d" stand for?
 * 4) UNIVERSE
 * 5) Health care professional slapping patients
 * 6) Bird-flight
 * 7) Smoke deflectors on steam trains
 * 8) cats
 * 9) 60m
 * 10) Adding R-values for bulk ceiling insulation not allowed

= May 27 = Reference_desk/Archives/Science/2009 May 27


 * 1) Amalgam
 * 2) MM Experiment
 * 3) Root growth in cut roses
 * 4) Who are these things?
 * 5) A Zeppelin filled with helium
 * 6) Concave tympanic membrane
 * 7) Are gulls lactose intolerant?
 * 8) Could a human break their own neck simply by unassisted extreme rotation?
 * 9) casimir effect pressure anomalies 2
 * 10) Reliability of Air Armament
 * 11) Medical term
 * 12) helium production
 * 13) Burning fat
 * 14) chemistry
 * 15) Self-published scientific magazine
 * 16) What makes organisms yellow?
 * 17) calluses on fingers
 * 18) Passage of matter through descendents
 * 19) Genetic crossing notation

= May 28 = Reference_desk/Archives/Science/2009 May 28


 * 1) Cat physiology
 * 2) Incubation Period
 * 3) Sound ever transverse?
 * 4) Maximum optical zoom
 * 5) Live Google Maps
 * 6) Does heat contribute to production or increase in PCB's (Polychlorinated Biphenyls)
 * 7) What is needed to heal Humanity's ills?
 * 8) Cerebral Hemispheric Dominance
 * 9) Motor Oil
 * 10) Poor TV picture improves a lot when VCR on
 * 11) determining diet via feces
 * 12) Mix rice varieties to reduce clumping?
 * 13) two questions about force, motion, and displacement
 * 14) Fog and cloud

= May 29 = Reference_desk/Archives/Science/2009 May 29


 * 1) Time quickens?
 * 2) TV signal splitters for coaxial cables
 * 3) Why are cockroaches such a pest in the US but not in the UK?
 * 4) Automatic train control
 * 5) relay setting calculation for spaj 140 c
 * 6) Pork
 * 7) beer freezing
 * 8) Best solvent for a blocked printer head?
 * 9) Sleep
 * 10) Fetus affected by anesthesia?
 * 11) Could this rocket put a person into space?
 * 12) pH change at river mouth?

= May 30 = Reference_desk/Archives/Science/2009 May 30


 * 1) Plumeria
 * 2) Carnivores' flesh indigestible for humans?
 * 3) Body pressure and atmoshperic pressure
 * 4) Numerical Schrodinger solutions
 * 5) Is burnt food bad for you?
 * 6) Storage capacity of the human brain, in gigabytes?
 * 7) light acting like a solid

= May 31 = Reference_desk/Archives/Science/2009 May 31


 * 1) Determining the Concentration of a Solution
 * 2) Particle interactions
 * 3) New islands found in aerial/satellite photos?
 * 4) Relationship b/w focal length and magnification of a lens and  of a mirror
 * 5) Basic advantage of hybrid cars
 * 6) How many human beings can Australia support?
 * 7) General Motors EV1
 * 8) Do owls ever get aggressive with people?
 * 9) Muscle Contraction question
 * 10) Downtown Tokyo
 * 11) La Défense