Convert Garbage to Electricity at Home
Gadget Freak 7/22/2011 8 comments Trevor Nestor built a gasifier out of some steel cans and camping pans. The basic idea of a gasifier is that you burn wood, trash, or other unwanted organic items in an environment low on oxygen.
With erupting concern over police brutality, law enforcement agencies are turning to body-worn cameras to collect evidence and protect police and suspects. But how do they work? And are they even really effective?
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