We love this steam powered USB charging device. It's well built, useful, loud, and totally anachronistic -- the same could be said of many of our editors here. According to the inventor, the thing is based on a Jensen #75 steam engine, which is used to drive a Lego Technic motor. The motor, in turn, feeds into a voltage regulator circuit, providing a continuous 5V charge to which ever USB device you might connect to it. This prompts us to ask a few obvious questions, including: "when is someone going to build us an appropriate steampunk PMP to go with the thing?" And, of course, "aren't Legos awesome?"
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