NotBornYesterday writes "After spending $190,000 and 'countless hours' building a set of jet-powered wings, a Swiss man has successfully demoed this ultimate mother-of-all-toys. After jumping from a plane like a skydiver, he then lit the four jet engines and proceeded to fly around a valley in the Alps at up to 186 miles per hour. His site is here, if you want to see shots of him in action. 'I still haven't used the full potential,' he said."
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