Mad scientist makes LEDs in his backyard — semiconductor wizard who made his own RAM turns his attention to using bathroom eBay laser to etch sapphire wafers

Tom's Hardware
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Mad scientist makes LEDs in his backyard — semiconductor wizard who made his own RAM turns his attention to using bathroom eBay laser to etch sapphire wafers
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Mad scientist makes LEDs in his backyard — semiconductor wizard who made his own RAM turns his attention to blinkenlights

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