Bussard on polywell fusion
Here is the classic Google Tech Talk from Robert Bussard (yes, the ramjet guy). In it he talks about a design for a novel fusion reactor he developed for the DoD over the course of eleven years. He was...
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Talk at Ada’s Technical: success!
The talk went very well. There was much animated discussion, and electrical zapping was had by all. Thank you Ada’s for having me, and thanks to everyone who came out!
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HOWTO make an Ultra High Vacuum
Who thought it would take so much work to make nothing at all? http://www.cae2k.com/howto.html
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DIY scanning electron microscope
Check out this amazing SEM build. It’s beautifully made and well filmed. Can’t wait for the follow-up posts!
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DIY LN2
Here’s a very nicely done DIY liquid nitrogen generator from Ben Krasnow, the guy who brought you the DIY scanning electron microscope. Great build!
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A tale of two microscopes
I recently became the proud owner of a couple of discarded JEOL scanning electron microscopes. The big one (“Milly“) is a JSM-6320F from the early 1990s. The little one (“Meryl“) is a JSM-5600 from the...
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SEM FTW: Meryl lives again
Happy Holidays! Here is a 2mm stainless steel screw. It’s sitting on a standard, non-shrunken quarter for scale. This screw is just 2mm across, and is about as long as the LIBERTY on a quarter. Here it...
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The Quarter Shrinker returns
Back in 2009, I was one of several folks that built the coin shrinker at Hackerbot Labs. After several hundred firings and sitting in a closet for months, it badly needed some love. We moved it to my...
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