This pre-exploded device was sent in by Timothy, who had been using it, then after storing it for a while plugged it back in and it promptly exploded and took the breaker out on the circuit. The fault is down to a bit of a design weakness in a unit that seems quite well designed otherwise. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.