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A DIY X-ray machine repurposes a DY86 vacuum tube from old CRT TVs to emit X-ray radiation. A specialized series of power supplies drives the tube, including a low-voltage DC supply, a high-voltage AC inverter, a transformer, and a Crockfort-Walton voltage multiplier to reach the required high voltages.
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Summary by ByteBrief
PsiQuantum's quantum computer and world's longest subsea tunnel