UCLA researchers have made an electrically-controlled solid-state ‘transistor’ for thermal energy, with a heat-flow on-off ratio of >13:1 when controlled with a ±2.5V base bias at room ... gated ...

Elliot Williams and Al Williams got together again to discuss the best of Hackaday for a week, and you’re invited. This week, the guys were into the Raspberry Pi 5, CNC soldering, signal ...

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