Wikipedia:Reference desk/Archives/Science/September 2017

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September 1

Wikipedia:Reference_desk/Archives/Science/2017 September 1

1. Affective "clipping"

September 2

Wikipedia:Reference_desk/Archives/Science/2017 September 2

1. Spider identification
2. Chicken feet
3. aircraft airframe material
4. Martial arts question
5. Problem solving abilities of scientifically trained/mathematically literate
6. Chemistry questions.
7. Heliosphere Moved from Math Desk.

September 3

Wikipedia:Reference_desk/Archives/Science/2017 September 3

1. Human hair color
2. What is this plant called?

September 4

Wikipedia:Reference_desk/Archives/Science/2017 September 4

1. RC filters, PWM etc
2. Is light reflected by car surfaces polarized?
3. Organics in the Andromeda Galaxy
4. Multiple days per year
5. Closest star to the Sun a black hole?!

September 5

Wikipedia:Reference_desk/Archives/Science/2017 September 5

1. How often are palm readings accurate
2. Mechanism of global warming causing extreme weather
3. Liquid gas containers
4. Feynman Lectures. Exercises. Exercise 12-12. Lecture 12. 2 [https://en.wikipedia.org/wiki/Wikipedia:Reference_desk/Archives/Science/2017_August_31#Feynman_Lectures._Exercises._Exercise_12-12_JPG._Lecture_12 Archive]
5. Biology questions.
6. white dwarf striking neutron star at high speed
7. neutron stars

September 6

Wikipedia:Reference_desk/Archives/Science/2017 September 6

1. Objectively, when has the US been lucky with tropical cyclone damage?
2. Do rattlesnakes charge?

September 7

Wikipedia:Reference_desk/Archives/Science/2017 September 7

1. Pill so that two people don't end up catching feelings
2. "natural products"
3. Burst lithium battery pack
4. Hurricane IRMA impact data (observed, not forecast)
5. Past eclipse weather

September 8

Wikipedia:Reference_desk/Archives/Science/2017 September 8

1. Ball valve
2. Vespula germanica
3. Feynman Lectures. Exercises. Exercise 14-3 [http://html.scribd.com/91cmvs8wn433jb9d/images/40-1853af7ae4.jpg JPG]
4. Delay timer mains power
5. Did CO2 emissions end the Little Ice Age ?
6. Neutron star collision at high speed, follow up question

September 9

Wikipedia:Reference_desk/Archives/Science/2017 September 9

1. Action potential in rabbit's sciatica
2. Interaction between types of muscles
3. Genetics questions.
4. Feynman Lectures. Exercises. Exercise 14-6 [http://html.scribd.com/91cmvs8wn433jb9d/images/41-3a9ca410cf.jpg JPG]

September 10

Wikipedia:Reference_desk/Archives/Science/2017 September 10

1. Standard-Model Extension
2. If the tech level/population/GDP/Milankovitch factors/Sun/biosphere etc. stopped evolving in 1749 how long would it take for CO2 to rise 1ppm?
3. Virus vaccines
4. Irma in Florida

September 11

Wikipedia:Reference_desk/Archives/Science/2017 September 11

1. Induction in contactless cards
2. DIY supercritical steam rocket

September 12

Wikipedia:Reference_desk/Archives/Science/2017 September 12

1. Knockout, part 2
2. Humidity
3. Request for help identifying this tree
4. "... we're now on our way to Mars"
5. bike carrier fulcrum
6. US STEM level

September 13

Wikipedia:Reference_desk/Archives/Science/2017 September 13

1. Tropical storms and hurricanes: codes and numbers
2. Humans shaped by partners

September 14

Wikipedia:Reference_desk/Archives/Science/2017 September 14

1. [https://www.forbes.com/sites/alexepstein/2015/01/06/97-of-climate-scientists-agree-is-100-wrong/#4beae1713f9f '97% Of Climate Scientists Agree' Is 100% Wrong]
2. Lighting a match in a hydrogen filled room
3. Cassini

September 15

Wikipedia:Reference_desk/Archives/Science/2017 September 15

1. Extreme(ly foolish) Airbrushing
2. Tileable "scatter" patterns for texture generation in a CGI context.
3. Space probe selfies
4. Effects of painful stimulus on food intake in rats/mice
5. Cold-water immersion and heart rate

September 16

Wikipedia:Reference_desk/Archives/Science/2017 September 16

1. Lesch–Nyhan syndrome
2. Aquo complex versus hydrated compound
3. Breaking boards
4. Shortest Nobel Prize-winning paper
5. Infinity
6. What does D. Œ. A. V. stand for?
7. Atmospheric pressure
8. Feynman Lectures. Exercises. Exercise 14-15 [http://html.scribd.com/91cmvs8wn433jb9d/images/42-9a07f79adf.jpg JPG]
9. ancient glacial features

September 17

Wikipedia:Reference_desk/Archives/Science/2017 September 17

1. Vaccination boosters
2. Is it true to say that "in every disease the entire body is involved"?
3. "normally closed" relays
4. Walking/running downhill energy consumption
5. Civil engineering asset management

September 18

Wikipedia:Reference_desk/Archives/Science/2017 September 18

1. Disability-affected life years from falls
2. Stud finder
3. Do tree trunks really bend at 32 miles per hour?
4. activated charcoal effect on carbohydrates, proteins and fats
5. Does normal charcoal have any poison absorbing properties?
6. How useful is the telescopic sight on a rifle
7. Can sniper rifles be automated ?

September 19

Wikipedia:Reference_desk/Archives/Science/2017 September 19

1. Black hole vs. white hole
2. Caffeine allergy
3. How many pages of information for a science degree?
4. Common cold and temperature.
5. What exactly is "Thermally activated delayed fluorescence"?
6. strange equation in physics class

September 20

Wikipedia:Reference_desk/Archives/Science/2017 September 20

1. Unknown plumeria leaf disease

September 21

Wikipedia:Reference_desk/Archives/Science/2017 September 21

1. Has something ever been made only after it's patent expired?
2. How does a warmer atmosphere and oceans affect the planetary crust and seismic activity?

September 22

Wikipedia:Reference_desk/Archives/Science/2017 September 22

1. open source stereolithography shrinkage compensation
2. Gas port location to lessen muzzle rise?

September 23

Wikipedia:Reference_desk/Archives/Science/2017 September 23

1. "Gray" ectopic/tubal pregnancy?

September 24

Wikipedia:Reference_desk/Archives/Science/2017 September 24

1. Questions about the Earth's orientation and seasons
2. Feynman Lectures. Exercises. Exercise 14-21 [http://html.scribd.com/91cmvs8wn433jb9d/images/43-22da9fd5f1.jpg JPG]
3. testosterone question

September 26

Wikipedia:Reference_desk/Archives/Science/2017 September 26

1. Machine from Birla Industrial & Technological Museum
2. Water vapor again
3. Weights to compensate for weight loss
4. Shade balls
5. Microbiology questions.

September 27

Wikipedia:Reference_desk/Archives/Science/2017 September 27

1. Turning matter into light
2. How does DEPT-45/90/135 work in geometric terms?
3. Genetic info from saliva samples
4. Preserving meat in boiling water
5. Pantothenic acid deficiency
6. Plainest color
7. Rate of drinking water affects the urging to urinate
8. Cold water stomach gurgles

September 29

Wikipedia:Reference_desk/Archives/Science/2017 September 29

1. alpha particles in nucleus
2. Pantothenic Acid and Biotin
3. Design engineers
4. are neurons specific to a single neurotransmitter?

September 30

Wikipedia:Reference_desk/Archives/Science/2017 September 30

1. Oxirane excited state
2. Highest survivable temperature
3. How would one detect a magnetic monopole at a distance?
4. Question about the SUNRISE and SUNSET on equator of Earth?
5. Why is the sea level of the Pacific ocean different than the sea level of the Atlantic ocean where the panama canal is?