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Urban Guerrilla Movie House

Rather than lamenting the slow death of drive-in theaters, I decided to build my own, mount it on an adult tricycle, and take the movies anywhere there‚Äôs an AC outlet. Vibrant online communities of DIY projector enthusiasts have ironed out the kinks and built the focal calculator software tools, and... Read more »

A Cardboard Bike?

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Israeli inventor Izhar Gafni says he ready to mass-produce a 20-pound bicycle made of cardboard that's waterproof and even fireproof. There are no metal parts. The chain is actually a car's timing belt and the tires are made from reconstituted rubber. The cost? Twenty bucks. Read more »

The Treadmill Bike

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The Treadmill Bike by Bicycle Forrest is cracking me up. Yes, it's a viral video to ever so subtly introduce you to their Bicycle CAD software, but that's not going to stop me from writing about it. Besides the fact that there's CAD software geared towards building bikes, which is... Read more »