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Wikipedia:Reference desk/Archives/Science/July 2021

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Welcome to the Wikipedia Science Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.



July 1

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Wikipedia:Reference_desk/Archives/Science/2021 July 1

  1. Food bubbling without boiling
  2. What object of the universe Is it?

July 2

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Wikipedia:Reference_desk/Archives/Science/2021 July 2

  1. Copying from a hardware-encrypted SSD

July 3

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Wikipedia:Reference_desk/Archives/Science/2021 July 3

  1. COVID vaccine mixing

July 4

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Wikipedia:Reference_desk/Archives/Science/2021 July 4

  1. Compared to other organisms, why only one human breed exist right now?

July 7

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Wikipedia:Reference_desk/Archives/Science/2021 July 7

  1. Cell phone radiation.
  2. Large ship fuel efficiency

July 10

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Wikipedia:Reference_desk/Archives/Science/2021 July 10

  1. Why UV rays is good for health if it is higher frequency than 5G?

July 11

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Wikipedia:Reference_desk/Archives/Science/2021 July 11

  1. Mild climate areas

July 12

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Wikipedia:Reference_desk/Archives/Science/2021 July 12

  1. Exposed to rabid bat
  2. Flake of lead paint in the human body
  3. Categorizing colors as having properties analogous to phonemes and music
  4. Featured picture
  5. How scientists prepared vaccines against new disease COVID but not old deadly disease HIV?
  6. Direction of floating in outer space

July 13

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Wikipedia:Reference_desk/Archives/Science/2021 July 13

  1. Hydride anion in aqueous solution
  2. More IR and UV emission questions.

July 14

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Wikipedia:Reference_desk/Archives/Science/2021 July 14

  1. Collision between cars of different mass
  2. How can just only magnetic field generate radio waves?
  3. Hypodermic and catheter needles

July 15

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Wikipedia:Reference_desk/Archives/Science/2021 July 15

  1. What flower is this?
  2. if water boiling point is 100 decree celsius then how wind from ceiling fan can dry wet floor?

July 17

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Wikipedia:Reference_desk/Archives/Science/2021 July 17

  1. Beer composition
  2. Heat pumps
  3. Why don't weather reports state the wet-bulb temperature?
  4. Yeasts on fruits

July 18

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Wikipedia:Reference_desk/Archives/Science/2021 July 18

  1. C/2014 UN271 (Bernardinelli-Bernstein) visibility

July 19

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Wikipedia:Reference_desk/Archives/Science/2021 July 19

  1. Covering bleeding wound with potato chip bag (or any non-absorbent material)
  2. How gyroscopic forces helps us to keep upright when riding a bicycle
  3. Maps Amhara Region

July 20

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Wikipedia:Reference_desk/Archives/Science/2021 July 20

  1. A wind from 4 sides simultanously - possible?

July 21

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Wikipedia:Reference_desk/Archives/Science/2021 July 21

  1. Density trends in giant-planet moons

July 22

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Wikipedia:Reference_desk/Archives/Science/2021 July 22

  1. Radio waves and information

July 23

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Wikipedia:Reference_desk/Archives/Science/2021 July 23

  1. Conversion factor for torque

July 24

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Wikipedia:Reference_desk/Archives/Science/2021 July 24

  1. Submarine (anti) rainbow
  2. Why can't NASA ascertain about total number of artificial satellite payloads around Earth?
  3. who buys all the 555?

July 25

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Wikipedia:Reference_desk/Archives/Science/2021 July 25

  1. Covid booster
  2. Potassium-argon dating of amber

July 26

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Wikipedia:Reference_desk/Archives/Science/2021 July 26

  1. Is soap harmful to most of cells of living things?

July 27

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Wikipedia:Reference_desk/Archives/Science/2021 July 27

  1. COVID vaccinations

July 28

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Wikipedia:Reference_desk/Archives/Science/2021 July 28

  1. Is electrical brain stimulation used (like drugs) to produce pleasures in humans in other settings than [https://www.huffpost.com/entry/compass-pleasure_b_890342 scientific experiments]?

July 30

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Wikipedia:Reference_desk/Archives/Science/2021 July 30

  1. What's the maximal level of absolute humidity possible practically?
  2. What is the efficacy of a previous COVID infection against another infection?

July 31

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Wikipedia:Reference_desk/Archives/Science/2021 July 31

  1. How can I know my vehicle is power steering or normal steering ?
  2. Via ferratas and lightning rods