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Clear tag filterBattery-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.
Read MoreChinese Nuclear Battery Provides 100 Years of Power
China has introduced a groundbreaking innovation in energy storage: a miniature nuclear battery, the BV100, capable of powering devices for up to 100 years without recharging. Developed by Betavoltaic, this tiny battery uses nickel-63 as a power source and utilizes beta decay to produce a steady stream of energy. While this technology is a significant leap forward for industries like healthcare, aerospace, and environmental sensing, it’s not poised to replace conventional batteries in everyday electronics. Despite its impressive longevity, the BV100’s limited power output makes it ideal for low-energy devices such as medical implants and space probes, not high-demand gadgets like smartphones. While promising, its use of radioactive materials also raises safety and disposal concerns.
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