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Any device running on Bluetooth falls into one of three classes. Class one, for long range, these need a power supply, and are mainly used for industrial purposes. They have a range of nearly 330 ...
The Cool Down on MSN3mon
Engineer invents tiny listening device that could make lengthy blackouts a thing of the past: 'We think of the grid like a giant guitar'Blackouts caused by downed power lines and damaged transformers could soon be shorter and less frequent thanks to a tiny ...
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