rocket science
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30:15Antique 4x5 camera creates 20 micron photolithography masks: Super tiny tax form
429K views • 6 years ago
Applied Science
Ben Krasnow of Applied Science uses an antique 4x5 view camera to make high-resolution photolithography masks in a home shop. He photographs a poster-sized printout onto litho film to get features around 20 microns.
49:39Revolutionary Paint: How to Make Surfaces Stay Cool in the Sun
985K views • 3 years ago
Tech Ingredients
Tech Ingredients shows how to make a homemade radiative cooling paint, with a custom liquid panel that cools below ambient temperature outdoors. The video covers the materials and how to apply the paint.
25:34How To Make Infrared Cooling Paint (Electricity Free Air Conditioning)
1.2M views • 4 years ago
NightHawkInLight
NightHawkInLight shows how to make ultra-white radiative paint that cools surfaces below ambient temperature without electricity. He walks through the research papers and the household-materials process.