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Battery-Free Sensors Operating on Trains For Real-Time Sensing

Glasgow University spinout RX Watt has developed battery-free sensors for real-time monitoring in rail carriages. Powered wirelessly via radio waves, these retrofit-friendly sensors track temperature, vibration, and wear—eliminating the need for batteries or wired power. Successfully tested at the BCIMO Rail Innovation Centre, the technology promises to cut maintenance costs and improve rail safety.

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