Ben Krasnow
Monday, August 5, 2019
UV laser creates disappearing ink in normal printer paper
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Ordinary printer paper is darkened by a high power UV laser, and then the affected area disappears in four minutes! This is caused by fl...
Wednesday, July 3, 2019
"Bouncy" sulfur hexafluoride gas in tennis balls?
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Testing myths about gas inside tennis balls. Note: I should have added that all of the gases tested would have the same bounce height ...
Saturday, June 15, 2019
How corrosion inhibitors protect metal: synthesis in the lab and testing
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Laboratory synthesis and systematic testing of a corrosion inhibitor commonly found in engine oils. This inhibitor is the reaction prod...
3 comments:
Saturday, June 8, 2019
Photos from Bay Area Maker Faire 2006 onward
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2006 - I attended as a spectator, and was completely inspired. It was the best event of the year for me, and I knew I'd be coming back ...
5 comments:
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