Ben Krasnow
Thursday, June 13, 2024
Micronics SLS nylon 3D printer makes electronic circuits
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A new desktop SLS nylon 3D printer can make printed electronic circuits with the addition of a powdered catalyst and electroless copper plat...
3 comments:
Saturday, August 26, 2023
Photosynthesis photography: Making images with living plant leaves
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How to make photographs using plant leaves: the technique, examples, f/0.5 camera lens construction, and tips & tricks that I learned al...
4 comments:
Wednesday, July 5, 2023
Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe?
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I show a "DIY" chemical color-based method to determine the amount of lead in water, and then use the method to measure the amount...
1 comment:
Sunday, May 28, 2023
Multi-layer reactive foil: no fuel, no oxygen, tons of heat
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This unusual sheet metal is made of hundreds of nano scale layers of aluminum and nickel. A spark initiates a self-propagating reaction t...
Sunday, April 9, 2023
Temperature-sensing RFID tag in magnetic stir bar
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I describe an old project in which a few friends and I designed an RFID tag that fits into a magnetic stir bar and measures temperature w...
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