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If you pay attention to the news, you've probably seen some scary headlines: fiery NASCAR crashes, career-ending sports injuries, and more. But the truth is, these kinds of accidents are rare. Engineers have designed sports gear to keep athletes as safe as possible. Carbon-fiber helmets, smart pads, and avalanche air bags are just a few of the improvements that help people play sports more safely. Learn more about how the technology in sports gear...
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Bitcoin is a digital currency-money that exists only online. Some people have used it to get rich. Others have accidentally lost it forever. Learn what decides bitcoin's value and how anyone with a fast computer can mine it. You'll also explore blockchains, the technology used to make bitcoin transactions. See how the blockchains may change the internet forever.
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