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For the curious among us, SciShow host Hank Green is here to explain the wonders of fluorescence and phosphorescence. Along the way, you’ll learn why your teeth glow under black light, how different wavelengths of light travel, and how fluorescence has become so important in science and medicine.
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The MechaVoyager watch has a unique display scheme. Its sliding scale indicates minutes or the date, while its top edge shows the hours or month on slot-machine-like reels. It also has a chronograph timer mode. We dig the look of its curved stainless steel case and its luminescent green markers. This demo video shows how […]
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After a fan suggested that she create a jigsaw puzzle that’s all edge pieces, Simone Giertz got to work creating just that. With the help of illustrator Elin Östberg, she created a (mostly) edge-piece puzzle where 438 out of its 501 pieces are edges. Before she shows off the surprisingly tricky puzzle, she has some […]
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Need to get some stress out at work? Take it out on this miniature desktop punching bag from the diminutive RP Minis series. The set includes a pair of tiny boxing gloves for your index fingers, and a book with some finger boxing techniques. Ready for some desktop circuit training? Grab yourself a mini weightlifting […]
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Four-legged robots from Boston Dynamics and other companies are intended to be used for good. But if you’re a believer in dystopian science fiction, these robot dogs could one day turn on us. Hoog presents an instructional video from the future that imagines how bad things could get and how to protect yourself from packs […]
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