This tutorial wont be the most practical recording setup you have ever used, but it is an interesting bit of science and a great DIY project. It is a simple laser listening device that will allow you ...
The Cool Down on MSN
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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