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126 points voxadam | 1 comments | | HN request time: 0.217s | source
1. burnt-resistor ◴[] No.44057596[source]
There's a Youtube channel looking for a low cost laser backstop material. They have 10-100?kW class single mode fiber lasers that can burn holes in almost anything Real Genius style. https://youtu.be/n3ssikDQva0