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When a radiant energy source is directed at a Crookes radiometer, the radiometer becomes a heat engine.[citation needed] The operation of a heat engine is based on a difference in temperature that is converted to a mechanical output. In this case, the black side of the vane becomes hotter than the other side, as radiant energy from a light source warms the black side by black-body absorption faster than the silver or white side. The internal air molecules are heated up when they touch the black side of the vane.
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Archive for the '–' Category
Crookes radiometer – Wikipedia, the free encyclopedia
June 21, 2019Wonderlab: The Equinor Gallery | Science Museum
June 21, 2019“What’s my data is mine and what’s your data is also mine.”-Sydney… | Download Scientific Diagram
June 21, 2019A famous quote :
“What’s my data is mine and what’s your data is also mine.”-Sydney Brenner, on datamining .
Source publication:
Power to the People: Participant Ownership of Clinical Trial Data Feb 2011
Sharon Terry & Patrick F Terry
Cell Energy and Cell Functions | Learn Science at Scitable
June 21, 2019energy for each cellular component
Alzheimer’s disease risk genes and mechanisms of disease pathogenesis
June 21, 2019https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4234692/
Some related to mechanism
macbook keyboard unexpected repeat repair program
June 19, 2019If you found your keyboard has the following unexpected issue, please go to apple store for a free repair:
Letters or characters repeat unexpectedly (like the above ‘t’ in unexpected, repeat twice when you typed)
Letters or characters do not appear
Key(s) feel “sticky” or do not respond in a consistent manner
https://www.apple.com/support/keyboard-service-program-for-mac-notebooks/
