how much drivel I have to wade through to bring you stuff like this:


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Based on a concept first invented by Robert Sterling in 1816, this is a working engine that uses the warmth of a cup of coffee as its fuel. The fascinating twist is, this little Sterling engine is made entirely of paper, a $30 kit that you construct out of thick cardboard connected together with tiny wires. As you can see in the animation, its two ( Read more... )