Ben Krasnow
Tuesday, March 24, 2020
Antique 4x5 camera creates 20 micron photolithography masks
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I use an antique 4x5 view camera to create high resolution photomasks in my home shop. Source of film and developing chemicals: https://...
2 comments:
Saturday, February 22, 2020
Electron microscope animation: Carbon nanotubes pulled into thread
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First-ever animation of carbon nanotubes self-aligning into a thread, captured by an electron microscope (as far as I know). Electron m...
6 comments:
Tuesday, January 21, 2020
Details in the process of making "blacker than vantablack" coatings (part 1?)
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Recreating MIT's "blacker than vantablack" in a home shop (almost). MIT press release: http://news.mit.edu/2019/blackest-b...
10 comments:
Sunday, December 22, 2019
Make vacuum pre-loaded spherical air bearings without special tools
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A new technique to make graphite air bearings without precision tooling. I show how to make spherical, cylindrical, and flat bearings that...
2 comments:
Friday, November 29, 2019
DIY mass spectrometer measures potassium in dietary salt substitute
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How to build and operate a simple mass spectrometer. Please ask questions in the comments, as always. Scientific American article: http...
8 comments:
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