Sunday, September 8, 2019
Blowing hot and cool air from.same mouth
Why is it that when you blow air from your mouth, while it is wide open, onto your palm, the air would be warm, yet when you do it with your mouth constricted, the air would be cool?
Tandem-scanning microscope
An optical microscope that works by using a spinning Nipkow disc, a wheel pierced by a spiral of pinholes, to illuminate small areas of the sample
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