Wikipedia:Reference desk/Archives/Science/July 2017

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July 1

Wikipedia:Reference_desk/Archives/Science/2017 July 1

1. Hydrogen versus acetylene as illuminating gas
2. Is polynosic rayon particularly sensitive to chlorine bleach ?

July 2

Wikipedia:Reference_desk/Archives/Science/2017 July 2

1. Odds of AIDA mission ending humanity?
2. Mechanical clearance of the nasal passage
3. Chemistry questions.
4. Drugs
5. Can a carbon triangle molecule exist, at least for a short time?
6. Can dogs control their appetites?
7. How can dogs eat white rice?

July 3

Wikipedia:Reference_desk/Archives/Science/2017 July 3

1. How are microbial toxins broken down?
2. Social norms and Asperger's
3. BJT voltage divider bias
4. Thorns on opium poppy engineered or natural?
5. Big cylinder in the gravity well of a black hole
6. Recent weather trend
7. Death dreams (an experience of the dying brain not a normal dream about death)
8. Do elephants get boogers in their trunks?
9. Pressure on the ground, speed of vehicle

July 4

Wikipedia:Reference_desk/Archives/Science/2017 July 4

1. Is this still co-evolution?
2. Dating and job hunting parallels
3. Eating Fish
4. What is this crop?
5. Tube trains and onrush of air
6. Number of breasts/litter size
7. Gorilla warfare
8. The first humans
9. Emergency room presentations of anxiety

July 5

Wikipedia:Reference_desk/Archives/Science/2017 July 5

1. Early sunsets
2. Is ethanol the same as 95% grain spirit?
3. Origin of 4160 volts
4. Pledge of Allegiance

July 6

Wikipedia:Reference_desk/Archives/Science/2017 July 6

1. Do astronauts have to follow any laws?
2. IQ tests (real, not Internet)
3. What happens at the atomic level when two objects touch each other ?
4. Brown Pelican
5. Pseudoscience?

July 7

Wikipedia:Reference_desk/Archives/Science/2017 July 7

1. Meaning of "angles of the jaw" (and a source if possible)
2. Exercise
3. Modern torpedoes aren't design to hit a ship?
4. Dog regurgitating tater tots

July 8

Wikipedia:Reference_desk/Archives/Science/2017 July 8

1. Is that true that things which plugged in consume electricity while they don't work?
2. If humans never cut their hair, then will the hair insulate the body like fur?
3. Digital audio: any advantage for whole number of cycles?
4. Lizard Identification

July 9

Wikipedia:Reference_desk/Archives/Science/2017 July 9

1. Non-human neurobiology, memory cues, and episodic memory
2. Can a person distinguish Greenwich mean time and coordinated universal time when setting a clock manually?
3. Rare events predicted by a "theory of everything"
4. Learning/teaching systems thinking
5. What temperature range can feral pigeons survive in?

July 10

Wikipedia:Reference_desk/Archives/Science/2017 July 10

1. Ground locomotion of birds

July 11

Wikipedia:Reference_desk/Archives/Science/2017 July 11

1. How hot can CCFLs get before breaking?
2. Hotel body soap, hand soap, and shampoo
3. Rotating an object with circularly polarized light
4. Energy consumption in different contexts
5. Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%2C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf PDF]. Exercise 8-4 [http://html.scribd.com/91cmvs8wn433jb9d/images/18-f56c344b90.jpg JPG]. Lecture 8 & 9
6. Energy loss, planes and ships
7. Relative calorie burn in air and water

July 12

Wikipedia:Reference_desk/Archives/Science/2017 July 12

1. Intelligence difference between animals and humans
2. How does polysiloxanes effect scar development?
3. Animal intelligences.
4. connect opamp outputs together?

July 13

Wikipedia:Reference_desk/Archives/Science/2017 July 13

1. Do midwives have knowledge of abortifacients and induce abortions?
2. What to do if you asked two experts and they have conflicting opinions?
3. Temperature at which water vapour forms
4. Is the wrapper by Klondike ice cream made of real aluminum?

July 14

Wikipedia:Reference_desk/Archives/Science/2017 July 14

1. Julian lunar calendar
2. Is it really true that vomit doesn't affect men as much as women in the tendency to vomit when others are vomiting?
3. Appetite suppressant to to point of starvation and death
4. "Smartphones Hijack Cognitive Capacity" -exact quote

July 15

Wikipedia:Reference_desk/Archives/Science/2017 July 15

1. What happens when the current is too strong for the electrode to measure?
2. What is the difference between a magnet and the thingy that deionizes water?
3. Which US coal basin deliver which coal?

July 16

Wikipedia:Reference_desk/Archives/Science/2017 July 16

1. Losing streams
2. GPS, Gravity affecting time on earth and space, and so on
3. Feynman Lectures. Exercises. Exercise 9-8 [http://html.scribd.com/91cmvs8wn433jb9d/images/23-9262cea7c6.jpg JPG]. Lecture [http://www.feynmanlectures.caltech.edu/I_09.html 9]
4. How visible/noticeable is the Aurora borealis expected to be tonight in the northern US?

July 17

Wikipedia:Reference_desk/Archives/Science/2017 July 17

1. Animal identification?
2. 3/8" Diameter Hose
3. Eyes Bandaged After Brain Surgery
4. Can a vibrating net produce sound?
5. Bowel epithelium regeneration
6. Inappropriate usage re "Before Adam"
7. Using an air conditioner after a power outage
8. Better version/correction to Bekenstein–Hawking entropy formula?

July 18

Wikipedia:Reference_desk/Archives/Science/2017 July 18

1. Thinners for painting with blood

July 19

Wikipedia:Reference_desk/Archives/Science/2017 July 19

1. Endurance running hypothesis and eating meat
2. motor shaft adapter
3. Why is magnetism not "toxic"?
4. Can methane emissions trigger other GHGs?

July 20

Wikipedia:Reference_desk/Archives/Science/2017 July 20

1. Simulation of persistence hunting among humans in industrialized societies
2. "Hand laser cutter for nuclear decommissioning"
3. 61905-2Z vs 6905-ZZ
4. Machining
5. Why do we have split forearms?

July 21

Wikipedia:Reference_desk/Archives/Science/2017 July 21

1. Is water's high surface tension compared to say ethanol another plus for life like it's "universal" solventness/heat capacity etc.?
2. How far in the future can air temp+sunniness anomalies cause sea surf temp anomalies?

July 22

Wikipedia:Reference_desk/Archives/Science/2017 July 22

1. Snake behaviour
2. Kraft Dinner + multivitamins = nutrition?
3. Chronic dehydration and pronunciation of K's
4. "Ross 128" signal

July 23

Wikipedia:Reference_desk/Archives/Science/2017 July 23

1. Judgement of "healthy" and "sick"
2. drilling and reaming
3. North Korea fissile material

July 24

Wikipedia:Reference_desk/Archives/Science/2017 July 24

1. Meteoritic vugs
2. Comet tail fitting in a suitcase
3. Pipe wrench
4. Color of wet rocks
5. Medical printer
6. Strength of non-drug related addictions

July 25

Wikipedia:Reference_desk/Archives/Science/2017 July 25

1. Ant-covered food
2. Does sport oxydate us?
3. Open circuit power draw of an SMPS
4. Birds eating fried potatoes
5. Animal population control

July 26

Wikipedia:Reference_desk/Archives/Science/2017 July 26

1. Feynman Lectures. Exercises. Exercise 9-16 [http://html.scribd.com/91cmvs8wn433jb9d/images/25-873642d57c.jpg JPG]. Lecture [http://www.feynmanlectures.caltech.edu/I_09.html 9]
2. Where does this drop of water push down with a million-g force?
3. Does quickly removing a plaster/band-aid/waxing strip result in quantifiably less pain than doing it more cautiously?
4. Unidentified seashore life (San Diego)
5. Novice magnifier question
6. Another mysterious San Diego sea creature

July 27

Wikipedia:Reference_desk/Archives/Science/2017 July 27

1. Television (What is the relationship between QLED and Quantum Mechanics?)

July 28

Wikipedia:Reference_desk/Archives/Science/2017 July 28

1. Where to find timelapse images of Sun (ultraviolet, I suppose but I don't know)

July 29

Wikipedia:Reference_desk/Archives/Science/2017 July 29

1. Is sneezing after the first sip of a stiff drink a thing?
2. Scale of everything
3. Memory - remembering but not knowing it

July 30

Wikipedia:Reference_desk/Archives/Science/2017 July 30

1. Steam train
2. Identifying a butterfly
3. Outdoor thermometer time delay
4. Influence and borrowed content
5. Minimum half-life below which a nuclide isn't a nuclide?
6. Turning orange juice into an alcoholic drink

July 31

Wikipedia:Reference_desk/Archives/Science/2017 July 31

1. What elements or molecules does the Earth have more than half the non-sun solar system's quantity?
2. Well-portioned food supply
3. Alpha= stronger?
4. Feynman Lectures. Exercises. Exercise 9-16 [http://html.scribd.com/91cmvs8wn433jb9d/images/25-873642d57c.jpg JPG]. Lecture [http://www.feynmanlectures.caltech.edu/I_09.html 9]. [https://en.wikipedia.org/wiki/Wikipedia:Reference_desk/Archives/Science/2017_July_26#Feynman_Lectures._Exercises._Exercise_9-16_JPG._Lecture_9 Archive]
5. What % of the food we eat is converted to energy, and what % left as waste?