A commercial nuclear battery from City Labs. A Betavoltaic cell is a device that uses a radioactive source of beta particles and a semiconductor p-n junction to generate electricity. Tritium ...

A single-cell battery that is used to power wristwatches, computer clocks, hearing aids and other small devices. Also called a "coin cell," button cells look like small, squat silver cans from ...

As a rule of thumb, it’s a good idea not to let your batteries drop below 3.0 V per cell. Failure to keep this in check can lead to ruining a pack, hurting its maximum capacity and ability to ...

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Amazingly, this tiny nuclear battery can be safely encased in a quartz cell no bigger than a millimeter. Shuou Wang, senior author of the study, told New Scientist that after 200 hours of testing ...

A charged battery is a happy battery. Keeping your car’s battery properly charged is essential to long life and reliability. When you drive, your car’s charging system keeps your battery ...

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So, Wan and his colleagues swapped the hydrogen in the electrolyte of cell-sized batteries for deuterium, a heavier variant of hydrogen. The researchers then tracked the deuterium’s movement ...

The zinc-air batteries, which can generate up to a volt, are as thin as a human hair. A battery designed by MIT chemical engineer Michael Strano and colleagues could make it possible for cell-size ...

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I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games on my computer for as long as I can remember, which eventually (as it does for many) led me ...