Percussion instruments are likely the first kind that humanity invented, because they’re quite simple: hit a thing and a noise happens. Different things produce different frequencies with different timbres, and glass bottles have a nice xylophonic sound to them. Because glass bottles are easy to find among discarded garbage, Jens of the Jens Maker Adventures […]
Although a large percentage of our trash can be recycled, only a small percentage actually makes it to the proper facility due, in part, to being improperly sorted. So as an effort to help keep more of our trash out of landfills without the need for extra work, Samuel Alexander built a smart recycling bin that relies on […]
Often you might see a recycling bin next to a trash can, and notice that someone else has thrown their waste into the wrong container. To help with this conundrum, the team of Shalin Jain, Viraj Singh, Edward Chen, and Joshua Kim created a double-sided container that sorts things automatically. Their device, dubbed “Splash,” takes a webcam image of the […]
While that plastic cup, bag, dish, or other item may have served its purpose, more than likely it could be formed into something new. With this in mind, the SOTOP-Recycling team of Manuel Maeder, Benjamin Krause, and Nadina Maeder developed an automated injection molding machine that can be built at home and is small enough […]
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