Ben Krasnow
Sunday, August 30, 2020
Demo and teardown of an X-ray fluorescence gun (measures chemical composition)
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I show how an X-ray fluorescence gun works, do a teardown and failure analysis, and discuss a new kind of XRF tech now "available"...
5 comments:
Sunday, July 19, 2020
Holograms on chocolate
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DIY process to copy commercial holograms onto chocolate! Completely edible -- no dyes or inks used. Tech Ingredients' video: htt...
4 comments:
Giant glass diffusion pump and cathode ray tube demo
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This vacuum diffusion pump is made entirely of glass so we can see how it works. I also show a CRT built from a glass lab flask. The ...
3 comments:
Tuesday, April 28, 2020
Hypercentric optics: A camera lens that can see behind objects
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Telecentric and hypercentric optics are very different from our eyes or normal camera lenses. They have "negative" perspectiv...
Sunday, April 5, 2020
Alpha radiation makes sparks, detects smoke, and eliminates static cling
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Interesting applications of a strong polonium-210 alpha radiation source. The half life is only 140 days, so the Staticmaster brushes m...
8 comments:
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