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Where We Got Olympic Medals From Before Recycled Cell Phones (Cool Weird Awesome 93)

Last week the organizers of the 2020 Olympic Games revealed that 100 percent of the gold, silver and bronze used to create the Olympic medals is recycled – the metal comes from used cell phones. But the ancient Olympians got olive branches as prizes. Why is it that we have Olympic medals in the first place?
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Drones Can Go Through Windows Now. That’s Good, Right? (Cool Weird Awesome 90)

There’s a quadcopter drone that uses spring-loaded arms and a process called “rapid aerial morphing” to fold itself up as it flies. So we’re a step closer to real-life Transformers. Plus: the story of the all-robot band Compressorhead, whose members twist and turn their mechanical parts so they can ROCK!
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