Most powerful diode Laser OVERDRIVEN! Nanosecond Laser!
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Little Junk Laser is a MEGAWATT Beast!
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How to Grow BIG Crystals at Home FAST!!!
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Open Source 8.5 Digit Voltmeter from CERN: Build and Test
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INSIDE A LASER! An Open Cavity Helium-Neon Laser!
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PMT1: Using a Photomultiplier to Detect Single Photons
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DIY Laser Image Projector (100ft+ Range!)
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