gyroscopes
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Save Your Legs With This Self-Balancing Briefcase Unicycle
Honda has been demoing its sitting Segways for years now, but the Hammacher Schlemmer version has one crucial advantage over them: it’s actually for sale. So instead of just being tantalized by a future where legs are an unnecessary human feature, we’re now officially living it.
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The Science Of Bicycle Motion Gets A Re-Do
Bicycles, huh? When I was younger I found them to be mystical, two-wheeled things that remained upright seemingly by magic. Training wheels were my crutch until one day dad ripped them off and gave me a shove down the street.