Wikipedia:Reference desk/Archives/Science/September 2009

= September 1 = Reference_desk/Archives/Science/2009 September 1


 * 1) Mice Trap
 * 2) Strange calculations of C
 * 3) Pin tumbler lock
 * 4) perchlorate
 * 5) Surface tension image - comment
 * 6) Chemistry
 * 7) Optical beam combiner?
 * 8) Why should we bleed when blood pressure is lesser than atmospheric pressure?
 * 9) What's the closest human equivalent to what a bird feels when going through a heavy moult?
 * 10) Astronomy: Stray Stars?
 * 11) Electromagnet Vs Headphones
 * 12) What psychological aliment or psychosis does this person have?
 * 13) cause of death
 * 14) European Space Agency's Bernard Foing
 * 15) Does the gravitational constant implicitly include 4 pi?
 * 16) Density
 * 17) Buying a telescope.

= September 2 = Reference_desk/Archives/Science/2009 September 2


 * 1) pot handle gives off vapors at high heat
 * 2) salty tastes and Cl- and Na+ ions
 * 3) anions of -2 charge and higher
 * 4) Solved Problems in Gauss law & Columbs law
 * 5) Xenon octafluoride and isoelectronic species
 * 6) Lap Tops and Cell Phones in the next 5 years
 * 7) What's the black stuff in my apple juice bottle?
 * 8) Rigidity
 * 9) impact force from braking
 * 10) calculating the BPs and MPs of pure perchloric acid
 * 11) Staring at black and gray object for a looong time without blinking
 * 12) Moon to survive without earth

= September 3 = Reference_desk/Archives/Science/2009 September 3


 * 1) replacement of secondary alcohol (in benzyl position) with H
 * 2) how is -COOH formation oxidisation?
 * 3) pressure distribution, how amount and area of effect works
 * 4) bus bar
 * 5) Attachment of dental crowns
 * 6) Why do ruins end up buried under soil?
 * 7) What do stock traders do?
 * 8) "Mass" of colour
 * 9) earth without moon
 * 10) CO2e emissions
 * 11) Ants inside me
 * 12) nucleus volume
 * 13) Animals and birds fear of humans
 * 14) Radiation from a curvy line on a 2D plane
 * 15) Humane way to remove paper wasp nest from a tree.
 * 16) Wolves afraid of red flags/objects?
 * 17) ratio of brain size to body size

= September 4 = Reference_desk/Archives/Science/2009 September 4


 * 1) Containment of Rust
 * 2) Toxicity of lead(II) nitrate
 * 3) green leaf mulch - metabalism or decay?
 * 4) Mustard stains turn pink?
 * 5) two neutrons
 * 6) Born with feet the wrong way round?
 * 7) Magnise Steel
 * 8) Reviving an extinct common ancestor of two taxa
 * 9) half-life
 * 10) short half-life and fusion
 * 11) nuclear reactions
 * 12) Inventions
 * 13) Cliffs
 * 14) New theory or proposal?
 * 15) Virtual Work
 * 16) Queries about Strong Nuclear Force
 * 17) falling distance
 * 18) Opal inlays
 * 19) static electricity - clothes
 * 20) Are these properties physical or chemical?
 * 21) Cactus
 * 22) Stomach to Bladder

= September 5 = Reference_desk/Archives/Science/2009 September 5


 * 1) Dead flies on outdoor plants
 * 2) Moon landing time
 * 3) Sun's increased radiated energy
 * 4) Atomic Mass Question
 * 5) Black hoe
 * 6) leaving groups, chemical attacks, MOs, and stuff.
 * 7) sensation
 * 8) Symbols used in this type of molecular diagram
 * 9) Saltwater mouthwash
 * 10) object maving in free space
 * 11) flies
 * 12) SMPA
 * 13) neutron decay products
 * 14) discrete solutions of 1H schrodinger

= September 6 = Reference_desk/Archives/Science/2009 September 6


 * 1) Human race vs Human species
 * 2) Future human evolution and brain complexity
 * 3) Formula for subjective sound fading with distance, and adding
 * 4) Defunct Sciences
 * 5) list of chemicals by density?
 * 6) What is the transit time for the human baby gut?
 * 7) LiFePo4
 * 8) icd-9 volume 3
 * 9) Electronics Project
 * 10) HNO3+carbamide
 * 11) Relativity and Existence
 * 12) Would these tomatoes growing at a sewage works be safe to eat?
 * 13) Identify this.

= September 7 = Reference_desk/Archives/Science/2009 September 7


 * 1) cloth fibers
 * 2) "Suspension" of a suspension bridge
 * 3) Radioactivity in the early Earth.
 * 4) drug/biochemical for feeling refreshed
 * 5) How much noise do moving cars and other vehicles make?
 * 6) Bouncing soap bubbles, electrical?
 * 7) Shell vial for prions
 * 8) what is Prohesion
 * 9) Shared Lake
 * 10) nuclear reactions
 * 11) Insect Identification
 * 12) Impact of the type of cigarettes smoked on the decrease in life expectancy
 * 13) Anemia/obesity connection
 * 14) Snapping a street light by repeated poking with finger

= September 8 = Reference_desk/Archives/Science/2009 September 8


 * 1) Animals fighting...
 * 2) Space shuttle landing stuff
 * 3) Quickly drying a heat-sensitive powder
 * 4) Beginning of science: Aristotle or Galileo
 * 5) For woman, does size matter?
 * 6) Aversion and fear
 * 7) how to pump a longboard (skateboard)
 * 8) Asian (Indian) elephants and African elephants
 * 9) Biochemistry question: What does oxygen do in this case?
 * 10) Peroxisome

= September 9 = Reference_desk/Archives/Science/2009 September 9


 * 1) Energy content
 * 2) Nerves and eyes
 * 3) Higgs boson
 * 4) Pass the veggie dogs please!
 * 5) How to charge the batteries and measure current?
 * 6) Glucose oxidation
 * 7) How can matter exist?
 * 8) How fast do interstellar dust clouds move?
 * 9) Oxymuriate of mercury
 * 10) how trained are drug dealers/makers in organic chemistry, usually?

= September 10 = Reference_desk/Archives/Science/2009 September 10


 * 1) identical location
 * 2) Preventing/Dissuading housecats from slaughtering houseplants...? Hizzelp!
 * 3) Strange haze around the ISS
 * 4) history of the octet rule ... and proving that something is an element
 * 5) heat of fusion of aluminum oxide...
 * 6) michelson and morley experiment
 * 7) temperature-dependent heat capacity of aluminum
 * 8) How to calculate the density of a gas
 * 9) Mixtures and phases
 * 10) Predicting lottery numbers
 * 11) heart
 * 12) Extremely fast Blu-Ray recorder required
 * 13) Car tire wear
 * 14) Otitis
 * 15) displacement
 * 16) Reflex enclosure design before TS
 * 17) aliens & ufo
 * 18) I can't remember what it's called
 * 19) physics(electricity)
 * 20) dark energy
 * 21) Lux and sunlight
 * 22) What causes older people to have trouble rising?

= September 11 = Reference_desk/Archives/Science/2009 September 11


 * 1) Blood Glucose Nanotcehnology
 * 2) Need help understanding American sports gambling notation...
 * 3) Battery leak query
 * 4) Acres of rice
 * 5) REQUEST FOR INFORMATION ON UGCA 292 (DDO 125) GALAXY
 * 6) How far can your cat see into the universe?
 * 7) What Australian plants relate to American ones from the time of Gondwana?
 * 8) Path through Earth
 * 9) Laxative
 * 10) UTIs in history
 * 11) chemical engeneering
 * 12) Hammett equation and (normalised?) constants
 * 13) electron withdrawing in two directions (induction only)
 * 14) Fly energy; really quite impressive
 * 15) decreased electrophilicity of diacetyl?
 * 16) iodine test
 * 17) Allergy to chemical element
 * 18) albedo
 * 19) electropotential of esters
 * 20) Heavy Metals in the Earth's Crust
 * 21) The Perfect Mirror
 * 22) Green Pretzels
 * 23) vortex and the third law
 * 24) Human hermaphrodites
 * 25) Fossil Fuels and CO2

= September 12 = Reference_desk/Archives/Science/2009 September 12


 * 1) dead cockroaches
 * 2) Respiration
 * 3) Environmental impact assessment
 * 4) the organic chemistry of carbon dioxide fixation (i.e. mechanism of RuBisCO)
 * 5) How did Eskimo or Inuit tribes defend themselves against polar bears before they had guns?
 * 6) biosynthesis of phosphoric acid (charge balance on DNA part deux, OMG)
 * 7) Astrophysics

= September 13 = Reference_desk/Archives/Science/2009 September 13


 * 1) Why are prisoners asked to cough during a body cavity search?
 * 2) Phenomenon?
 * 3) Forests Vrs. Deserts
 * 4) Virtual Work (again!)
 * 5) Beer traps
 * 6) growth of a cell membrane
 * 7) Is this correct?
 * 8) Real time (or time based) public transport information on maps
 * 9) Time freezing
 * 10) Mosquitoes
 * 11) accuracy and precision

= September 14 = Reference_desk/Archives/Science/2009 September 14


 * 1) Identify string in my foot
 * 2) Can you strain your tongue?
 * 3) Fields
 * 4) Is a 12 gauge sabot shotgun round traceable?
 * 5) Electric fences for cattle and horses: dangerous to humans?
 * 6) significant variation in the number of genes between homologous chromosomes
 * 7) bird acrobatics
 * 8) Anicent plotting of landmass
 * 9) Afterimage to work
 * 10) Walking v. jogging for fitness

= September 15 = Reference_desk/Archives/Science/2009 September 15


 * 1) Integrins and signal transduction
 * 2) Grapes undissolvable?
 * 3) stem cell
 * 4) Why are commercial culinary funnels made with pipes?
 * 5) The cause of gravity.
 * 6) Thermite
 * 7) rice growing
 * 8) matter, gravity, space and time
 * 9) Bugs, Sun, Moon
 * 10) Design specifications for industrial pipeline flame arrester
 * 11) Why is it colder in the winter?

= September 16 = Reference_desk/Archives/Science/2009 September 16


 * 1) What is "absolute mass"
 * 2) Michelson-Morely Experiment
 * 3) neurovegetative
 * 4) Glomerular filtration rate
 * 5) Healthy liver
 * 6) is it common for people to sneeze after taking cough medicine
 * 7) Help identifying an insect (and maybe a flower)
 * 8) how to make a mini hot-plate?
 * 9) Electron microscope?

= September 17 = Reference_desk/Archives/Science/2009 September 17


 * 1) Sunscreen stability?
 * 2) Number of planets
 * 3) Short Fever
 * 4) Sound in free-space/vacuum
 * 5) Moons of Mars
 * 6) Cute animals
 * 7) Eye pain / Menstrual Cycle
 * 8) Gravity at the center of a body
 * 9) Finding a vein: legs, arms and the jugular
 * 10) Anti - Perspirant causes Cancer
 * 11) Safety of soy protein extraction using hexane
 * 12) Unknown beetle
 * 13) on gas cylinders
 * 14) pervaginal examination
 * 15) Do chimps sit?
 * 16) Global warming
 * 17) natural or something else?

= September 18 = Reference_desk/Archives/Science/2009 September 18


 * 1) Water and the Human Body
 * 2) Energy eigenfunctions of a free particle
 * 3) Incinel, inkinel, ...?
 * 4) remove reproductive organs
 * 5) 1,2 diketones and ascorbic acid
 * 6) Natural walking speed?

= September 19 = Reference_desk/Archives/Science/2009 September 19


 * 1) Alcohol by volume myths
 * 2) Alkene Nomenclature
 * 3) Does a knife wound to the stomach cause immediate death?
 * 4) Genetically engineered corn seed
 * 5) Plumbing - tap not running properly
 * 6) Wave functions
 * 7) Blu Tack properties
 * 8) Galileo and gravity
 * 9) All objects with the same air resistance fall at the same rate?
 * 10) Are there any pleasant wildernesses left in the world?
 * 11) Antihallucinogenics

= September 20 = Reference_desk/Archives/Science/2009 September 20


 * 1) Breath-Controlled Automobiles (not the toy cars)
 * 2) instantaneous speed question
 * 3) transistor
 * 4) About particle accelerator
 * 5) what can I grow in a vase ~5" by ~30" ?
 * 6) What is WELS?
 * 7) Genetically engineered meat growing plant?
 * 8) your premises are wrong, your argument is invalid, but your conclusion is correct.
 * 9) Inexpensive LCD display that is relatively good for photo editing work — recommendations?
 * 10) radioactive decay: kinetics v. thermodynamics
 * 11) Victoria Falls swimmers
 * 12) Declining bee population?
 * 13) Jupiter's gravity protecting Earth from comet impacts
 * 14) Masturbation

= September 21 = Reference_desk/Archives/Science/2009 September 21


 * 1) Visually sexing non-sexually diamorphic parrots?
 * 2) Voltage ratings for light bulbs?
 * 3) Furry *green* animals?
 * 4) Bunches of doctors in an emergency room...
 * 5) an adiabatic enclosure, 2 mol of Cu...
 * 6) Lymphocytes
 * 7) Combustion
 * 8) The mystery of the defunct scientific journal
 * 9) Why don't I sneeze when I'm asleep?
 * 10) trauma
 * 11) Virial Theorem & Quantum Mechanics
 * 12) Extreme Trees
 * 13) Star Trek Voyager & Beaming Stuff Aboard
 * 14) Pendulum's bob
 * 15) Turning into another creature
 * 16) Medicine
 * 17) ideal gas
 * 18) Car steering problem
 * 19) housing ideas for wiring in a heated enviroment?
 * 20) Ok to throw fermented waste in my compost?

= September 22 = Reference_desk/Archives/Science/2009 September 22


 * 1) Soap vs Hand Sanitizer
 * 2) anyone have a picture of solid chlorine?
 * 3) Video proof that Hyacinth Macaw x Ara macaw cross-breeding works (not a question)...
 * 4) What kind of medical problems are astronauts in orbital space stations equipped to handle?
 * 5) Intestinal fortitude....
 * 6) What is the name of this bird?
 * 7) Ford Explorere 1998
 * 8) Vitamin D from sunlight during a northern winter
 * 9) Palladium refining.
 * 10) Where did all the universe's energy come from, and where will it go?
 * 11) Archives for Raw Solstice Data
 * 12) Craving certain foods
 * 13) Infra-Red rectenna power breaks the Second Law of Thermodynamics?
 * 14) Neutralizing Acid waste
 * 15) What would happen in space
 * 16) GREEN HOUSE EFFECT
 * 17) Does a rotating ring show length contraction?
 * 18) Behind the navel
 * 19) Do Re Me
 * 20) Gull hypnosis
 * 21) Significant figures
 * 22) Roller Coaster Momentum
 * 23) Postmature birth
 * 24) acid battery casing repair

= September 23 = Reference_desk/Archives/Science/2009 September 23


 * 1) British Weights and Measures Act
 * 2) Possible to sustain adult human entirely intravenously?
 * 3) Hernia support
 * 4) most oftenly mutated genes?
 * 5) Brain cysts from cat parasites in humans
 * 6) '99% accurate'
 * 7) Genetics
 * 8) Bird with no legs ?
 * 9) NIGHT VISION GOOGLES
 * 10) Time Dialation
 * 11) What is the sun fusing?
 * 12) Vaporizer gun???
 * 13) Rocket Problem
 * 14) 2X solution from 1X solution?
 * 15) DNA Structure

= September 24 = Reference_desk/Archives/Science/2009 September 24


 * 1) are alkenes, alkynes, etc. suitable for making Grignard reagents with?
 * 2) protic solvents and group I/II metals
 * 3) lability of alkyne protons and NMR
 * 4) can strong acid transform one type of alcohol into another?
 * 5) History of large SI prefixes
 * 6) Force and gravity
 * 7) Snows all year round
 * 8) Science Lab Cleaner
 * 9) Torque Practice Problems
 * 10) Enlarged nostrils
 * 11) is the goverment out to get us?
 * 12) Annulenes vs. cycloalkanes
 * 13) Re-opening my refrigerator door
 * 14) Uranium hexafluoride
 * 15) Degradation of methylmethacrylates

= September 25 = Reference_desk/Archives/Science/2009 September 25


 * 1) How to see and edit references to material properties?
 * 2) I used sunscreen daily for a month, why am I still tan?
 * 3) which is the best synthesis for this product?
 * 4) Can hydro electricity be used as a battery to store power produced by other means?
 * 5) enones with aldehydes
 * 6) pkas of alcohols in THF, etc.
 * 7) reducing an alcohol without reducing a carbonyl/ketone
 * 8) Limits of life expectancy
 * 9) Do naps make you taller?
 * 10) is LDA miscible in methylene chloride? (do acyl chlorides react with THF?)
 * 11) No H1N1 deaths in Germany or China? Or just none reported?
 * 12) Internal and External Obturator Muscles
 * 13) Unknown units or abbreviation in an engineering document
 * 14) Drunk but not drunk?

= September 26 = Reference_desk/Archives/Science/2009 September 26


 * 1) Blood thinners and broken bones
 * 2) Could number of binary stars tell us how many planets there are?
 * 3) Efects of a electromagnetic pulse on living organisms
 * 4) Isotope´s half-life measurement units
 * 5) In space no one can hear you...
 * 6) Question about Science V Religon
 * 7) Voltage
 * 8) New AIDS Vaccine
 * 9) Mining in volcanically active areas
 * 10) Food poisoning from protein-less foods

= September 27 = Reference_desk/Archives/Science/2009 September 27


 * 1) Question about the article "Psychological immune system"
 * 2) Diagrams of ancient earth
 * 3) Volume of mercury
 * 4) what disease is this
 * 5) Body building
 * 6) Tox-sick
 * 7) Internet lines
 * 8) Strange unit of weight, "OR" = 0.322 grams, what is it?
 * 9) is mars shit still sterilized
 * 10) Making acohlo from water

= September 28 = Reference_desk/Archives/Science/2009 September 28


 * 1) What species is this?
 * 2) carbon monoxide and the Calvin Cycle
 * 3) does hyperconjugation stabilise only cations?
 * 4) Neutron bomb question
 * 5) Source transformation..........
 * 6) genius
 * 7) Innovations in the last 50 years.
 * 8) Betelgeuse Supernova
 * 9) Surveying a pyramid
 * 10) What really causes the resting cell membrane potential (in animal cells)?
 * 11) Turning a car 90 degrees
 * 12) Potatoes no good?
 * 13) Breed of dog with the most powerful sense of smell & Police dog breed
 * 14) emulsifiers
 * 15) Human Mind Altering Parasites, Bugs, etc
 * 16) Mushrooms
 * 17) supersonic speed
 * 18) In today's technology, building a zero Enertia vehicles (auto or airplane)
 * 19) Effects of the acidity of juice

= September 29 = Reference_desk/Archives/Science/2009 September 29


 * 1) carbon monoxide as a nucleophile
 * 2) tertiary amines and acyl chlorides
 * 3) Male body area name?
 * 4) Aboriginal North americans as stewards of nature
 * 5) i have a pancreas working with a capacity of 80%!!!
 * 6) 0mph - Warp Drive in (?) seconds
 * 7) moment of inertia
 * 8) Abdominal pain
 * 9) Force Practice
 * 10) Oral collagen
 * 11) Electricity in a house
 * 12) Detox, heavy metals in food
 * 13) Cast Iron History
 * 14) Sunburn
 * 15) who coined the term anti matter ?
 * 16) Hunger Mechanism

= September 30 = Reference_desk/Archives/Science/2009 September 30


 * 1) Molarity - Cd2+ Ions, Chemistry Help?
 * 2) Has Mendel Sachs' theory on unifying gravity and quantum theory been well accepted?
 * 3) Boiler insulation
 * 4) Herds of rabbits
 * 5) Thermal death points of different species (and genera and subfamilies) of bedbugs
 * 6) Body Heat and Energy Generation
 * 7) What is a "broken" nose?
 * 8) Question in inorganic chem,help me please?
 * 9) Calories and weight loss
 * 10) Efficiency of a system
 * 11) Mechanical engineering/automobile design
 * 12) Any lubricant experts here?
 * 13) Nuclear fallout discovered theoretically or empirically?
 * 14) Amines as a leaving group, under acidic conditions
 * 15) inlands/ocean coast temperaturs
 * 16) Rottweiler pit bull mix