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Wikipedia:Reference desk/Archives/Science/May 2020

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May 1

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Wikipedia:Reference_desk/Archives/Science/2020 May 1

  1. Human psychology during pandemics
  2. Source of names for 4 mild human coronaviruses?
  3. Does pure ammonia expand when it freezes like water does?
  4. How are inorganic archaeological artifacts dated?

May 2

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Wikipedia:Reference_desk/Archives/Science/2020 May 2

  1. Is there a minimum practical size (thermochemically) for a blast furnace?
  2. Maths question on pandemic graphs
  3. Difference in assumptions in mathematical pandemic modelling?

May 3

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Wikipedia:Reference_desk/Archives/Science/2020 May 3

  1. How close can you be to a fighter jet passing you at mach 1 without sustaining injuries?
  2. DSLR

May 4

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Wikipedia:Reference_desk/Archives/Science/2020 May 4

  1. Palladium pentafluoride

May 5

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Wikipedia:Reference_desk/Archives/Science/2020 May 5

  1. Making use of earth gravitational model
  2. Spirals and Einsteins equations

May 6

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Wikipedia:Reference_desk/Archives/Science/2020 May 6

  1. Naegleriasis
  2. What are "ferrallitic" and "fersiallitic" soils?
  3. Inductors/transformers and flyback converters
  4. Voice amplification in a half mask respirator
  5. Nebula density

May 7

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Wikipedia:Reference_desk/Archives/Science/2020 May 7

  1. Why is there a "do not freeze" instruction on baking dough products?
  2. Starlink launch/visibility
  3. Custom Coronavirus Graphs
  4. Wrong explanation and opposite effect for the tides
  5. Nuclear fusion chain reaction
  6. Annoyed Superman question...
  7. Is there a graph about the possibility of life at different masses of the up and down quarks?

May 8

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Wikipedia:Reference_desk/Archives/Science/2020 May 8

  1. quantum resonance redirect to "Resonance (particle physics)" wp article?
  2. Qualitative research sampling methodology - sample size

May 9

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Wikipedia:Reference_desk/Archives/Science/2020 May 9

  1. Removal of lice through vacuum cleaner
  2. Health effects of drinking diet coke

May 10

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Wikipedia:Reference_desk/Archives/Science/2020 May 10

  1. Patent number for nerf darts
  2. Two questions about dietary potassium

May 11

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Wikipedia:Reference_desk/Archives/Science/2020 May 11

  1. Hatchlings of olive ridley turtles
  2. Sulfuric acid

May 12

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Wikipedia:Reference_desk/Archives/Science/2020 May 12

  1. Is body odor Nature's way to enforce social distancing?
  2. False color images in astronomy

May 13

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Wikipedia:Reference_desk/Archives/Science/2020 May 13

  1. Oxygen masks on planes

May 14

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Wikipedia:Reference_desk/Archives/Science/2020 May 14

  1. How many SARS 2 "organisms" are in someone when they die? What is their mass and density?
  2. What are the biggest living organisms that are without a nervous system?
  3. Immortality Research
  4. Can a person who had coronary artery disease and a heart attack in their early 50s (and survived) live into their 80s and beyond?

May 15

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Wikipedia:Reference_desk/Archives/Science/2020 May 15

  1. RF constant transmission

May 16

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Wikipedia:Reference_desk/Archives/Science/2020 May 16

  1. Why does viral load matter?

May 17

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Wikipedia:Reference_desk/Archives/Science/2020 May 17

  1. neutrino speeds and the speed of hypothetical axion
  2. vaccine research
  3. North Magnetic Pole rapidly shifting
  4. Pleurisy and dancing

May 18

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Wikipedia:Reference_desk/Archives/Science/2020 May 18

  1. Neopentane
  2. mask that only covers mouth, how effective for preventing spreading it to others? How effective as a protection for oneself?

May 19

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Wikipedia:Reference_desk/Archives/Science/2020 May 19

  1. Trevelyan's char

May 20

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Wikipedia:Reference_desk/Archives/Science/2020 May 20

  1. CoViD-19 deaths per capita, China vs. some western countries, why difference?
  2. Transformer winding voltage ratio, and the input frequency

May 21

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Wikipedia:Reference_desk/Archives/Science/2020 May 21

  1. Is e= MC square really useless equation?

May 22

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Wikipedia:Reference_desk/Archives/Science/2020 May 22

  1. Digestion
  2. How fast are quantum computers when compare to supercomputers?

May 23

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Wikipedia:Reference_desk/Archives/Science/2020 May 23

  1. Salts for hygrometer checking and calibration
  2. Plant

May 24

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Wikipedia:Reference_desk/Archives/Science/2020 May 24

  1. Electroplating bare copper soldering iron tips with nickel and then maybe with iron?
  2. What does it mean when N,N- comes before a chemical's name, such as in N,N-Dimethyltryptamine?

May 25

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Wikipedia:Reference_desk/Archives/Science/2020 May 25

  1. What is the "major splice donor" and how is it different from the Retroviral Psi packaging element?

May 26

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Wikipedia:Reference_desk/Archives/Science/2020 May 26

  1. Why Large Synoptic Survey telescope launching for mapping milky way galaxy?
  2. How far can a spider descend hanging from its silk on a windless day?
  3. What would a camera show at this specific situation related to speed of light?

May 27

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Wikipedia:Reference_desk/Archives/Science/2020 May 27

  1. Effect of very high redshift on neutrino velocity
  2. Why do flies make so much noise during sex?
  3. Wheelchairs and steps

May 28

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Wikipedia:Reference_desk/Archives/Science/2020 May 28

  1. Complex compounds
  2. Mechanics

May 29

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Wikipedia:Reference_desk/Archives/Science/2020 May 29

  1. Looking for a source for Cotyledon tomentosa synonym

May 30

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Wikipedia:Reference_desk/Archives/Science/2020 May 30

  1. What if Rocket launch speed is very slow and constant?
  2. Which first scientist declared space has Weightlessness?

May 31

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Wikipedia:Reference_desk/Archives/Science/2020 May 31

  1. Question about coordination compounds
  2. Perpetuum Mobile
  3. Outsourcing of engineering systems integration.
  4. Polyunsaturated fat degradation speed