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Wikipedia:Reference desk/Archives/Science/July 2010

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July 1

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Wikipedia:Reference_desk/Archives/Science/2010 July 1

  1. Homogeneous Continuous-time Markov chains - analytical expressions for the finite time transition probabilities?
  2. Iron
  3. Expiration of medicine
  4. Help identifying this flower
  5. Neodymium magnets
  6. Weight loss
  7. Suntan
  8. Reptiles + amphibians
  9. Surface tension
  10. Plaiting and fluffiness
  11. Does a penis have other functions besides urination and copulation?
  12. Credibility of hypotheses
  13. Career in nanotechnology?
  14. Wasps
  15. A hydrophobic cup?
  16. Help identifying this fruit
  17. Would the car explode?
  18. How much energy required to reach infinite speed?
  19. question about new planet
  20. Trench binocular
  21. Do the positions of stars change much relative to each other?
  22. Tori Vienneau
  23. World building.
  24. Micro rockets
  25. Why does the ocean appear so high?

July 2

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Wikipedia:Reference_desk/Archives/Science/2010 July 2

  1. Phantom question (nothing to do with the paranormal)
  2. Wormholes
  3. MP3 player (well, really amplifier) power consumption
  4. is there such a thing as a "semi-permanent" or reversible tattoo?
  5. Copper(I) sulfate
  6. Concentration of NaOH
  7. HCl and NaOH
  8. Titration
  9. Temperature of the ocean
  10. Audio amplifier power output
  11. natural skin oil
  12. Name these two plants?
  13. Annual architectural plants

July 3

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Wikipedia:Reference_desk/Archives/Science/2010 July 3

  1. Enthalpy-entropy chart
  2. Medroxyprogesterone versus medroxyprogesterone acetate
  3. jail
  4. Trapped in a fusion reactor?
  5. Metric system
  6. the sun
  7. nucleus diameter
  8. Decreasing metabolism?
  9. [Geography] Locate or name the lake by picture
  10. Superball dynamics
  11. Time Dilation

July 4

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Wikipedia:Reference_desk/Archives/Science/2010 July 4

  1. Forward-swept wings
  2. Tin allotrope conversion
  3. Piano Lid Prop angle
  4. SI prefixes (redux)
  5. Adidas Jabulani
  6. Diopters
  7. Reptiles sense of time
  8. Reptiles' sense of time
  9. Reptile's sense of time
  10. Is there a behavioral explanation?
  11. Strange beetle
  12. abbe or v number
  13. Mig-29

July 5

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Wikipedia:Reference_desk/Archives/Science/2010 July 5

  1. Giant isopod-- survival outside of water
  2. Ancient Machines
  3. Could you clone a human female from male cells?
  4. Strange hydrostatic aroud Australia
  5. Difference between mud and loam
  6. Is it Gun cotton?
  7. Duty or pleasure?
  8. Identifying a Howitzer

July 6

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Wikipedia:Reference_desk/Archives/Science/2010 July 6

  1. I don't get gravity
  2. Why does an acidic oxide reacts with water to form an acid?
  3. Rifled slug?
  4. Hyrachyus
  5. Hawaii
  6. Cooking Pizza
  7. A perpetual motion machine
  8. Stellar parallax and the movement of the sun
  9. Bass energy sucking
  10. Sprite freezing
  11. I don't understand quantum mechanics!

July 7

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Wikipedia:Reference_desk/Archives/Science/2010 July 7

  1. magictrick banknote in a fruit
  2. side mirror
  3. Animal Eyes
  4. Dragonfly
  5. An open tube is placed into a container of water
  6. North American bugs
  7. Source of stream goes both ways?
  8. Is it fair to say that the 4th dimension is not time?
  9. How do they use fusion reactors to make electricity?
  10. Cookie/cake mixes
  11. Actinidain allergies
  12. beetles
  13. Plastic Recycling - Expanding from 1-7 from 1-2 only
  14. How hot is hot water?
  15. Finger squashing objects

July 8

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Wikipedia:Reference_desk/Archives/Science/2010 July 8

  1. WTF is that on your ear? AKA fleshy protuberance on the targus?
  2. Lego
  3. KBr (Potassium Bromide)
  4. "Shadow Biosphere" life on earth with arsenic DNA backbone?
  5. ring strain in cyclic adenosine monophosphate
  6. stimulation of exocytosis of nanoparticles by administration of 8-Br-cAMP
  7. I have a point-and-shoot digital camera
  8. Burning polythene
  9. Killer swan mom part 2
  10. The effect of life on light shining through the atmosphere
  11. mythbusters nitro ram recoil.
  12. acoustic levitation and spiderman
  13. Forest terminology — non-coniferous?
  14. dehydrated yogurt
  15. Evolution and entropy

July 9

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Wikipedia:Reference_desk/Archives/Science/2010 July 9

  1. Human flight to mars or venus
  2. Location of Navajo Sandstone
  3. Self-inflating Ball
  4. Wind turbine blades
  5. veneer
  6. Dehydrated vs. freeze-dried
  7. Immiscible liquids
  8. Magnetism
  9. Cyanide death
  10. Zucchini
  11. homosexuality
  12. pheresis rate
  13. Best season for avoiding camel spiders?
  14. do people really believe their beliefs?
  15. The barge hitting the "Duck" boat

July 10

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Wikipedia:Reference_desk/Archives/Science/2010 July 10

  1. Elevation of the Cajon Pass in San Bernardino County, CA
  2. submitting an article for review.
  3. Night sky on Mars
  4. Hollow core concrete slabs
  5. DRI and RDA intake
  6. Recharging the unrechargeable Issue
  7. Medically pure tin
  8. Stoichiometry
  9. Molniya orbit
  10. Aircraft tails
  11. Diatomaceous earth

July 11

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Wikipedia:Reference_desk/Archives/Science/2010 July 11

  1. Ground connection
  2. Quantum mechanics, psychology, and free will
  3. Condition with monologuing, stream-of-consciousness speech
  4. Resonating chimney creates infrasound in breeze?
  5. Parkinson's disease differences from chronic alcoholism
  6. Where is the 2nd dimension?
  7. fluorescent light
  8. Tetramethrin
  9. Electric stove

July 12

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Wikipedia:Reference_desk/Archives/Science/2010 July 12

  1. Potable water caulking
  2. Symptoms of vasular dementia
  3. Simple circuit to charge my bike light batteries to supply my lights
  4. free GIS software that can do orthorectification?
  5. Question on 3D TVs
  6. Gulf of Mexico Oil Spill
  7. Is it Normal, guys ?
  8. omniverse
  9. Where the hell is Metadata?
  10. Is it a Fraud, a Cheap marketing stunt?
  11. Octopus eye
  12. I don't understand the "Quantum" in Quantum Mechanics
  13. Temperature Fluctuations at the Equator
  14. Insects repairing themselves
  15. harnessing infinite?
  16. Rorschach test in job interviews
  17. Is anyone here a doctor
  18. My water heater

July 13

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Wikipedia:Reference_desk/Archives/Science/2010 July 13

  1. The bends and pressure
  2. iPhone 4 antenna
  3. Electrophoresis
  4. help
  5. Is HGH a precursor to testosterone?
  6. Can you 'boil' heat water by compressing it?
  7. Nitroglycrine
  8. black swallowtails
  9. Equation
  10. Elevated heart rate
  11. Stretching tapes
  12. Dark matter
  13. Gravitation
  14. Food preparation, handling of (fish) meat
  15. Cat vision
  16. Pressure of Deepwater Horizon Oil Leak
  17. Arch
  18. animal feelings

July 14

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Wikipedia:Reference_desk/Archives/Science/2010 July 14

  1. diving
  2. hummers
  3. poor bees
  4. "carpenter bees"
  5. ink
  6. Resistor calculation
  7. Ideas for scientific imagery
  8. Phone connectors in the UK
  9. Exoplanetary systems in Sagittarius
  10. Head massagers: How do they work?
  11. Methyl 1 d - muscle growth drug
  12. watermellon
  13. Cold Skin
  14. birds
  15. Osteochondritis and related conditions
  16. IV

July 15

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Wikipedia:Reference_desk/Archives/Science/2010 July 15

  1. Magnetic Field
  2. safe use of electric fields on cells
  3. Glowing yellow glass
  4. Heisenberg quote on quantum mechanics and Indian philosophy
  5. Double standard
  6. ticks
  7. hiccups
  8. Identify fish
  9. Speech therapy
  10. Starting masturbation at a very young age
  11. The name of an intense burst of heat and wind.
  12. Volumetric flasks
  13. Quantum entanglement
  14. What is the blue in this photo of the Moon?
  15. Is this a bunion?
  16. Chocolate Liquor

July 16

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Wikipedia:Reference_desk/Archives/Science/2010 July 16

  1. Is there an easy way to estimate genes in genetics?
  2. Sound Waves
  3. Is this a blast furnace or some other sort of furnace?
  4. Venus in a small telescope
  5. How do fish drink?
  6. Permanent marking LDPE
  7. is there something wrong in the way I've corresponded to scientists?
  8. replacing and changing cell media while under a microscope
  9. DOLPHINS
  10. DEER
  11. Cactus
  12. Snakes
  13. DNA construct naming/nomenclature?
  14. Jellyfish
  15. Building making it's own weather?
  16. fundamental forces
  17. shellac
  18. human body aging - what's happening when things begin to sag/stretch downwards?

July 17

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Wikipedia:Reference_desk/Archives/Science/2010 July 17

  1. Different forms of lead - enviroment
  2. butterflies
  3. Getting peanut out of your body faster
  4. Trimming macaw toenails
  5. Dementia.
  6. Metric system
  7. How portions of the brain are identified
  8. Fast neutron reactor meltdowns
  9. Animal Allergies
  10. Loudspeaker distortion

July 18

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Wikipedia:Reference_desk/Archives/Science/2010 July 18

  1. Nasal passages
  2. Tippe top
  3. Is this cable modem fried from lightning or not? (2 pictures, Cisco EPC2607)
  4. High-friction coating for bike rims to improve braking efficiency?
  5. Disc brakes — bikes
  6. Infrared thermometer

July 19

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Wikipedia:Reference_desk/Archives/Science/2010 July 19

  1. corn fields
  2. solar cells, photovoltaic, photosynthesis
  3. Plasma weapon
  4. Would plasma cause electrocution in addition to burns?
  5. Silver + Phosphate
  6. Minimum air pressure for sound
  7. Maps for streams
  8. Catnip and REM sleep
  9. Alcubierre drive
  10. Scientific name of Clown Dorid
  11. scratching: survival benefits
  12. Dragons using chemicals to generate fire?
  13. Von Kossa Stain
  14. Info about the changing face of the Earth
  15. Teeth
  16. Dextropropoxyphene
  17. Scrotal implosion
  18. Two dimensional thrust vectoring
  19. Bates method
  20. Can probiotics develop antibiotic resistance?

July 20

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Wikipedia:Reference_desk/Archives/Science/2010 July 20

  1. Unidentified Insect
  2. Elements in the human body
  3. Lemon Juice - alkaline or acidic?
  4. age
  5. Strange worms - Could anyone tell me what these are?
  6. would it be possible to duplicate, mechanically, the action of a modern CPU (obviously at up to minutes per clock cycle).
  7. how did the Greeks discover the earth was round?
  8. Website which shows raincloud movement for the next few hours (in UK)?
  9. induction
  10. how do you tell if a plant cell has apoptosed?
  11. odorless mineral spirits
  12. Anything science still can't do?
  13. Measuring temperatures in Ireland in the late 17th century

July 21

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Wikipedia:Reference_desk/Archives/Science/2010 July 21

  1. A Shocking Experience ?
  2. Why do we need oxygen?
  3. Chemistry
  4. Refrigerant leak?
  5. Antibiotics
  6. What do you call this sort of cytoplasmic channel?
  7. Survival benefits of scratching
  8. Sheep breeding season
  9. Wind Turbines on Cars
  10. Follow up refrigerant leak question
  11. Avro Vulcan
  12. Colour-in 3D chick embryogenesis models/pictures?
  13. Birds
  14. Yosemite

July 22

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Wikipedia:Reference_desk/Archives/Science/2010 July 22

  1. Lily Flower Identification
  2. Telling the difference between free fall and micro-gravity
  3. What do blind people see?
  4. Soul
  5. Spider Identification Please
  6. Qualia
  7. Mouse
  8. Negative energy?
  9. speeding up the cell cycle
  10. Conservation laws and FTU
  11. redout
  12. Fall of the ant
  13. Meat

July 23

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Wikipedia:Reference_desk/Archives/Science/2010 July 23

  1. See-through ?
  2. How does the cut-off frequency in the photoelectric effect support the photon theory of light?
  3. ammonia and baking soda
  4. 18 and acne normal?
  5. smoking and the liver
  6. immune system
  7. evolution of the mammalian red blood cell
  8. Paternosters
  9. entry of gold nanoparticles into the cell nucleus
  10. Custom color urine
  11. Mg + H2O
  12. heat and rain
  13. What do you retain from textbooks read years ago?
  14. Katana
  15. How hot is it really?
  16. peppers
  17. How did dinosaurs mate?

July 24

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Wikipedia:Reference_desk/Archives/Science/2010 July 24

  1. What creature is this?
  2. HD sunglasses and paint
  3. If you know English and only English...
  4. poison ivy
  5. Multimeter
  6. Playing Pokemon today and I wondered...
  7. can silver nitrate eat cloth?
  8. white horse wind wave.
  9. Pocket Monsters Special Yellow (final battle): Lava surfing?
  10. Budgerigars and reflection recognition

July 25

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Wikipedia:Reference_desk/Archives/Science/2010 July 25

  1. Ultra violet rays
  2. Odd chemical reaction?
  3. Absolute certainty
  4. Type of Current in Landline
  5. Graph with an unexpected spike in it?
  6. Skyscraper cost
  7. explain the production of car in japan
  8. Canine vs human rabies vaccine
  9. Ropinirole
  10. Compressed sound of a jetliner
  11. household / domestic sonicators
  12. Evolution
  13. Achilles tendon humans vs animals
  14. Triple Slits, Born's Rule, and Sum over Histories
  15. Question about effects of lightning
  16. Sealing in juices; frying meat

July 26

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Wikipedia:Reference_desk/Archives/Science/2010 July 26

  1. Smardale RIGS
  2. Effeminacy
  3. A 100 W light bulb emits light with a wavelength of 575 nm
  4. Bone Weight
  5. Are strings matter?
  6. soundwaves
  7. Thermodynamics what-if
  8. Human magnetoception
  9. Westons Mill Pond
  10. culturing cells on conductive cover slips
  11. Plant ID request
  12. Help me identify these intercellular bridges, follow-up?

July 27

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Wikipedia:Reference_desk/Archives/Science/2010 July 27

  1. Can a gas shield the Earth?
  2. There is not enough darkness in all the world to put out the light of even one small candle
  3. Volume of blood in the human body
  4. Bermuda Triangle
  5. How much paneer cheese would I get per litre of milk?

July 28

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Wikipedia:Reference_desk/Archives/Science/2010 July 28

  1. Phlebotomy Laws
  2. A question about Desmoplastic small round cell tumor question
  3. Evolutionary adaption queuing problem
  4. Do blackholes tear holes in space-time?
  5. how many people have drifted off to space irrevocably while on moonwalks
  6. explanation on weather precip chance
  7. safety procedures
  8. woodpecker question
  9. I don't understand part of General Relativity
  10. 30% hydrogen peroxide...usually by weight or volume?
  11. Smardale Gill viaduct - sandstone or limestone
  12. do you have enough calories to get to the moon? (or: how fat do you have to be)
  13. Direction of current
  14. can you tell just by the honk whether a man or woman is blowing their nose?
  15. Are we all epigeneticists?
  16. Sun Exposure, Skin Cancer and Vitamin D

July 29

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Wikipedia:Reference_desk/Archives/Science/2010 July 29

  1. Turbojets
  2. What is the lightest/least dense non-porous solid?
  3. Airport Runways
  4. About CAN networking
  5. iitmadras
  6. why do stocks prices move during the day even when there is no new information!
  7. Dog repellent
  8. Double S(not T)P in one day
  9. what type of endocytosis is this?
  10. helium,

July 30

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Wikipedia:Reference_desk/Archives/Science/2010 July 30

  1. in a cell culture medium, pH 7.4, will hydrogen peroxide oxidise colloidal gold?
  2. Stress Energy Tensor
  3. Piper nigrum and alcohol
  4. Quantum Mechanics Problem
  5. practical consequences of existence
  6. Misinterpretation of UN population report?
  7. canteloupe
  8. Atomic theory
  9. water
  10. Flossing
  11. paradoxical redox reactions
  12. Wisteria
  13. veneer core plywood
  14. Strange patterns in the water
  15. Irrational fear
  16. Name this climbing plant?
  17. Silent cars?

July 31

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Wikipedia:Reference_desk/Archives/Science/2010 July 31

  1. Have cognitive scientists explained why it's tedious to not use pronouns?
  2. Speed of lightning
  3. Rechargeable batteries not recharging
  4. Blu-Ray video files?
  5. difference between taxis and tropism
  6. Working prototypes
  7. Plant health question (Podocarpus macrophyllus)
  8. Farm Pond Spray Fountain
  9. Who coined the term 'fine-tuned Universe'?
  10. Corner reflector
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