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Ever since he was a kid, Matt Bilsky has wanted to make a kite-string winder. His first attempt, at age 8, didn’t work because the motor was not strong enough and the string kept getting tangled. But a couple of decades later, he made one with a 3D printer that gets the job done.
The Slinky was invented by accident
Today is National Slinky Day. As Rachael Lallensack writes in Smithsonian, a spring, a spring, this marvelous thing was invented by accident: In 1943, mechanical engineer Richard James was designing a device that the Navy could use to secure equipment and shipments on ships while they rocked at sea. As the story goes, he dropped […]
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How to cut the heads out of coins
In this video, The Q shows how to cut the heads out of coins. Start by putting the coin in a vise. Drill a small hole through the coin. Run a jeweler’s saw blade through the hole and start sawing away. That’s really all there is to it! Image: The Q/YouTube
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Plans for 3D printing a Star Trek Phaser Type II
Shipbrook makes 3D models of “props from science fiction movies, TV shows, and computer games that I enjoy” and uploads the models to Thingiverse so other people can print them out on a 3D printer. Here are the plans for his Star Trek Original Series – Hand Phaser Type II Body model. Image: Shipbrook/Thingiverse
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How you can start your own podcast with help from NPR producers
Got a favorite podcast? You’re not alone. In fact, you’re in the majority: According to a 2019 CBS poll, most Americans have listened to one, and nearly a quarter of them tune in on a regular basis. That’s a lot of ears, and believe it or not, there’s a lot of niches left to fill. […]
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This lid converts any pressure cooker into an air fryer
If you don’t have a pressure cooker, prepare for some tough love – because there is absolutely no reason not to own one. They can cook almost anything with little to no effort, they save space and they’re super easy to clean. If you do have a pressure cooker, prepare to level up. There’s a […]
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Target sore muscles with this adjustable handheld massager that’s over 50% off
Whether it’s chronic muscle stiffness or the soreness that comes from an epic workout, there are some pains that can’t be soothed by those automatic massage chairs. If you haven’t tried a handheld massager, they can be a lifesaver – and the Vortix Muscle Massager aims to be the go-to therapy tool no matter what […]