Wikipedia:Reference desk/Archives/Science/April 2012

= April 1 = Reference_desk/Archives/Science/2012 April 1


 * 1) exponential power of 2 and number of ancestors 30 generations ago
 * 2) fine structure
 * 3) In Situ Generation of Acid Catalyst in Esterification
 * 4) Regarding Common Emitter BJT configuration.
 * 5) Canning timing
 * 6) Metallicity of stars
 * 7) Sound c ards
 * 8) Dogs who howl at the phone
 * 9) Subjective biking effort

= April 2 = Reference_desk/Archives/Science/2012 April 2


 * 1) What is the effective population size of the United Kingdom?
 * 2) Glow leak
 * 3) Load in motor and current
 * 4) fine -structure

= April 3 = Reference_desk/Archives/Science/2012 April 3


 * 1) Gravity
 * 2) Underwater hand stand
 * 3) Sprained pelvises
 * 4) Pencil sharpener
 * 5) Male emotion
 * 6) Is the outside of single cell algae lipophilic or hydrophilic?
 * 7) A formal symbol for a postulated absolute rest frame?

= April 4 = Reference_desk/Archives/Science/2012 April 4


 * 1) Black hole gravity
 * 2) Why is pressure a scalar?
 * 3) there are 4 kinds of topology in Set{1,2},and 29 in Set{1,2,3}, is exist a Formula in a Set {1,2,3,4,5,6...n}?
 * 4) How is heat energy converted to mass?
 * 5) can some women not orgasm from intercourse, but only clitorally
 * 6) Live engineering status for UK TV and radio broadcast towers
 * 7) empty space
 * 8) hydrocortisone
 * 9) Frank Sherwood Rowland

= April 5 = Reference_desk/Archives/Science/2012 April 5


 * 1) Types of copper
 * 2) volume measurer
 * 3) retrograde rotation of venus
 * 4) Escaping from a black hole
 * 5) Body fat monitor
 * 6) Caramel Catastrophe!
 * 7) Instantaneous communication at a distance
 * 8) Have they ever tried multi-stage balloons?

= April 6 = Reference_desk/Archives/Science/2012 April 6


 * 1) Dandruff and eyes
 * 2) Virtual work
 * 3) Dreams: maker versus watcher
 * 4) Middle East climate
 * 5) Vitamin B12 absorption
 * 6) Uniqueness of the attractor for Earth's climate
 * 7) Explaining light
 * 8) Escape velocity

= April 7 = Reference_desk/Archives/Science/2012 April 7


 * 1) How much extreme weather damage can the world economy take?
 * 2) Male sexual activity and cognitive performance
 * 3) Physics LC circuit
 * 4) Electronics on board Apollo 11 spacecraft
 * 5) Using tachyons to blast something out of a black hole
 * 6) Radicals and VSEPR

= April 8 = Reference_desk/Archives/Science/2012 April 8


 * 1) Illumination in lumen additive or parallel?
 * 2) Strange zoo bird
 * 3) Octane rating of jet fuel
 * 4) Do different chicken breeds have different tastes?
 * 5) mercury spectrum
 * 6) sodium spectrum
 * 7) physics
 * 8) Could Kinect ever come with a force-feedback body suit?
 * 9) Why can't the Kinect recognize fingers and head movements?
 * 10) which reaction formula is right?
 * 11) Mystery bird
 * 12) calcium metaborate
 * 13) Why do cows eat grass?
 * 14) Bayes' theorem in medical diagnostics
 * 15) Group 14 electronegativities
 * 16) A few questions from a science fiction author: Lethality of small amounts of high explosives and theoretical weapons systems

= April 9 = Reference_desk/Archives/Science/2012 April 9


 * 1) low blood pressure and i. v. heroin use
 * 2) Perfectly elastic collisions for equal masses
 * 3) CARDIOLOGY
 * 4) Seahorse gender
 * 5) white hole

= April 10 = Reference_desk/Archives/Science/2012 April 10


 * 1) Unknown drug powder ID
 * 2) postcognition
 * 3) Could a satellite really pack the energy to knock out the entire US's power grid?
 * 4) Sexual vs. asexual reproduction vis-a-vis early evolution
 * 5) What are the colors of human cone cells?
 * 6) triplicate carbon copies' carbon footprint
 * 7) Are there more/fewer/equal quantum fluctuations near massive bodies?
 * 8) Identify the fishes
 * 9) Jungle versus machete
 * 10) does cured cyanoacrylate penetrate skin if dissolved in acetone?
 * 11) Sun dogs
 * 12) Carnot efficiency
 * 13) Why the south is hotter?
 * 14) HCl NaOH titration

= April 11 = Reference_desk/Archives/Science/2012 April 11


 * 1) why phenolphthalein instead of bromocresol blue
 * 2) The powder coating process
 * 3) Impossible colors
 * 4) Why don't they place neutron absorbants under nuclear reactor cores?
 * 5) Use of anova/ F-tests with count data
 * 6) Magnesium citrate
 * 7) Gauss' principle of least constraint
 * 8) furnace fumes
 * 9) science

= April 12 = Reference_desk/Archives/Science/2012 April 12


 * 1) will aluminum foil scratch a lens or its coating?
 * 2) Boyle temperature of Argon
 * 3) unhealthy food combination
 * 4) Fluid properties of blood
 * 5) replacing wheels with balls in a car.
 * 6) What is the expected operating lifetime of a modern coal-fired power station??
 * 7) Identify rabbit photos
 * 8) Brodatz texture dataset
 * 9) The glue binding new and unused staples together.  What is it?
 * 10) how hot does it take for Titan to heat up to completely lose its atmosphere

= April 13 = Reference_desk/Archives/Science/2012 April 13


 * 1) Fermented milk?
 * 2) Neurology
 * 3) Do sensory organs evolve to be too small to have sex with?
 * 4) Stale Petrol

= April 14 = Reference_desk/Archives/Science/2012 April 14


 * 1) Difference B IntraCrin & AutoCrin?
 * 2) Health effects of too much magnesium intake
 * 3) Atoms in a current
 * 4) Co-codamol
 * 5) What is PTH (electronics, resistors)?
 * 6) PU sections occurence and toxcicity
 * 7) Pseudo science
 * 8) Hydrons

= April 15 = Reference_desk/Archives/Science/2012 April 15


 * 1) What is the big ball on most wheellock pistols?
 * 2) Can a laptop battery improve?
 * 3) Physics
 * 4) GMO Docs
 * 5) loading dose question

= April 16 = Reference_desk/Archives/Science/2012 April 16


 * 1) Saving the Titanic
 * 2) Spartan by Wavefunction Inc.
 * 3) Consequences of not chewing food properly.
 * 4) Red leaves
 * 5) Running at 2000 feet altitude
 * 6) Owl rotation

= April 17 = Reference_desk/Archives/Science/2012 April 17


 * 1) obviously pseudoscience that ended up completely right?
 * 2) Regarding effect of an AC signal on a BJT.
 * 3) Snow patterns
 * 4) Viruses/disease symptoms

= April 18 = Reference_desk/Archives/Science/2012 April 18


 * 1) Identify the monkeys
 * 2) Which water is better for boiling and drinking, water from toilet tap or water from kitchen tap?
 * 3) capillary waves
 * 4) how is this safe
 * 5) conker tree
 * 6) preserving seeds
 * 7) do kids with progeria get very smart very fast

= April 19 = Reference_desk/Archives/Science/2012 April 19


 * 1) Peat pod fungus
 * 2) Finland's class size ratios
 * 3) Tohoku earthquake's shift
 * 4) If the drag coefficient is not constant then what is the point of the equation?
 * 5) Fluorine(I)
 * 6) Difference of diesel, bio-diesel, ethanol, gas and gasoline
 * 7) Helicopter and aircraft pilots record flying hour holders

= April 20 = Reference_desk/Archives/Science/2012 April 20


 * 1) Bleach and chlorine
 * 2) Mechanics problem
 * 3) Hail
 * 4) regrading r-e model of a BJT
 * 5) Environmental effects of a plastic bag ban
 * 6) How many people alive today were born before the year 1900?
 * 7) Inside of a hen it's too ... whatever ... to breathe
 * 8) Does water ice get colder or is it temperature static?
 * 9) How can Mars acquire to more substantial atmosphere over sun's brightening
 * 10) Europa's atmosphere
 * 11) Why Earth dies Mars survives

= April 21 = Reference_desk/Archives/Science/2012 April 21


 * 1) Is US or UK ahead in commercial transportation fuel synthesis from CO2?
 * 2) ban all plastic bags ... and then?
 * 3) Insect ID
 * 4) ~ Health-Related Questions: For Only Knowledge & Experienced People of Excellence Only ~
 * 5) Odd tree growth
 * 6) alternative explanation
 * 7) Vactrain effects
 * 8) Biomorph-producing fractal formulas

= April 22 = Reference_desk/Archives/Science/2012 April 22


 * 1) Caffeine in Nesquik
 * 2) Flying car
 * 3) High buoyancy and low drag
 * 4) Some Science questions
 * 5) Cholera rates in Kenya

= April 23 = Reference_desk/Archives/Science/2012 April 23


 * 1) Chemistry/Amylose and amylopectin Determination.
 * 2) Kills 99 per cent of germs...
 * 3) Quantum entanglement and kinetic energy
 * 4) Female scientist question
 * 5) Population growth vs accelerating returns in technology
 * 6) Carmine microbial production
 * 7) Some Biology questions
 * 8) what is the year old of the donkey when it begin to bray?

= April 24 = Reference_desk/Archives/Science/2012 April 24


 * 1) Curlews?
 * 2) M notation in chemical reactions described for rate data
 * 3) Diamminehydridoboron(0) [BH(NH3)2]
 * 4) Simplest being to show affection
 * 5) Hermaphroditism
 * 6) To become supercentenarian
 * 7) Photoelectric effect- why Kth shell??
 * 8) GPS or Glonass which came first
 * 9) Electric motor and heat
 * 10) trial
 * 11) Global warming and Mexico

= April 25 = Reference_desk/Archives/Science/2012 April 25


 * 1) pH Determination
 * 2) Chemical kinetics - why no 2nd order reaction data?
 * 3) Inappropriate paint
 * 4) europa europa
 * 5) Bicycle wheel spoke breakage load question

= April 26 = Reference_desk/Archives/Science/2012 April 26


 * 1) what is dark matter
 * 2) the source of planets' atmospheres
 * 3) Electric Field & Electric Force
 * 4) for how long duration of time the sun was T-tauri star
 * 5) Blue glow when pulling apart a Band-Aid wrapper?
 * 6) How do they make large, curved sheets of glass?
 * 7) Color change

= April 27 = Reference_desk/Archives/Science/2012 April 27


 * 1) Mean motion orbital resonances discrete?
 * 2) Monk's hood oil feeling
 * 3) Molecular sieves
 * 4) I can't find species "Aphenops cronei" that was mentioned by Dobzhansky
 * 5) Event horizon of universe
 * 6) Unranked taxa
 * 7) Suppose we have a Magic Mosquito Genocide Contraption
 * 8) Decision-making - Can we actually make decisions?
 * 9) photoelectric effect - electron from K shell why?
 * 10) If you were to pick one decade that the telephone became 'mainstream'...
 * 11) ~ Health-Related Questions: For Only Knowledge & Experienced People of Excellence Only ~ [NOT SLOVED]

= April 28 = Reference_desk/Archives/Science/2012 April 28


 * 1) The new "Xi_b^*" baryon
 * 2) What is this black substance ?
 * 3) Freezing
 * 4) Permanent marking of stolen clothing
 * 5) Aquifer drawdown and cloud cover.
 * 6) sodium metasilicate

= April 29 = Reference_desk/Archives/Science/2012 April 29


 * 1) How do I mimic static over the cellphone?
 * 2) A Fibres in Frog Sciatic Nerve
 * 3) Gravity
 * 4) Why were the X-15 rocket-powered aircrafts retired?
 * 5) Preventing water damage when building a building
 * 6) Niagara falls into dam
 * 7) What are typical Power capacities for suburban Distribution Substations??98.225.64.151 (talk) 23:13, 29 April 2012 (UTC)
 * 8) Leftover rabies?

= April 30 = Reference_desk/Archives/Science/2012 April 30


 * 1) Fibrosis
 * 2) Kinased oligonucleotides
 * 3) How many neurons can fire at once?
 * 4) Hydraulics/Pressure question
 * 5) fever to being cold
 * 6) Parasitic pepper twin ?
 * 7) Engineering at university
 * 8) highest decibel rating of any fling insect.