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News Link • Energy

Tiny Nuclear Batteries to Power Micro Devices

• LiveScience
Typical chemical batteries just don't cut it when a device needs to run for years without fail. Enter the betavoltaics, or tiny nuclear batteries that harvest energy from radioactive sources such as tritium.

Now a company called Widetronix has developed new betavoltaics that can run for up to 25 years and perhaps power tiny devices in everything from military hardware to smartphone sensors. 

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