Wikipedia:Reference desk/Archives/Science/February 2021
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February 1[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 1
- Stabbing someone in the midst of a heart attack
- Unlimited bandwith for over-the-air broadcasting
- Who predicted an Analemma (position of the sun in the sky) before it got photograph in 1990s?
February 3[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 3
February 4[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 4
- drawing planets orbits around earth
- Vertical bar in chemical formula
- Cloning using CRISPR/gene editing question
- Calculating the distance range of commercial over-the-air FM radio stations
February 5[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 5
February 6[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 6
- Why would black holes emit Hawking radiation?
- Melatonin research journal
- Kiwifruit with hollow or missing core
February 7[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 7
- Do Earth observatories better than space telescopes?
- What is the diagonal line in this satellite image?
- Americium in smoke detectors
February 8[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 8
February 9[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 9
February 10[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 10
February 11[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 11
- photons between quarks in protons, neutrons, and mesons- what energies?
- Journal of Geoscience Education article
February 12[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 12
- Is there a difference in out-of-body experiences based on how they are induced?
- What rocket did they use for STS-107?
- What is the difference between Space Shuttle and Space shuttle orbiter?
February 13[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 13
- What does "Transferred to Expedition 14" mean in List of International Space Station expeditions?
- COVID origin; extra Q
- COVID-19 vaccines safety
February 15[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 15
- Simple glacier models
- Meteors approaching head-on
- Why is electrolysis more effective at permanent hair removal than laser hair removal is?
February 16[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 16
February 17[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 17
February 18[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 18
February 19[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 19
February 21[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 21
February 22[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 22
- 50 cal gun and air
- Blood vessels regenerating
- RBMK reactor
- Plant identification requested
- Shower physics
- The fraternal birth order effect for male homosexuality: Why didn't evolution select against and weed out this effect?
February 23[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 23
- Can you store any arbitrarily large amount of information in a finite space?
- Perseverance's signal delay
- What's the difference between an extremely early embryo and a skin cell in terms of genetics, epigenetics, et cetera?
February 24[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 24
February 25[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 25
February 27[edit]
Wikipedia:Reference_desk/Archives/Science/2021 February 27