Beta Testers
Problem-solve with some of the best inventors on the web. We watch as these ambitious creators test a kit to fend off sharks, skydive without parachutes, and build DIY scuba gear.
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Couchmate is under maintenance and read-only for about an hour.
Problem-solve with some of the best inventors on the web. We watch as these ambitious creators test a kit to fend off sharks, skydive without parachutes, and build DIY scuba gear.
Up next