Delicious Optics, A Chocolate Diffraction Grating
Diffraction gratings are curious things. Score a series of equally spaced tiny lines in a surface, and it will cause reflected or transmitted light to bend and separate into its component wavelengths....
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Arcade Inspired Halloween Candy Dispenser
The days are getting shorter and the nights are a little cooler, which can only mean one thing: it’s officially time to start devising the trials you’ll put the neighborhood children through this...
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Paint the Rainbow with this Skittle-Dropping Pixel Art Robot
We hackers just can’t get enough of sorters for confections like Skittles and M&Ms, the latter clearly being the superior candy in terms of both sorting and snackability. Sorting isn’t just about...
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“Hey, You Left the Peanut Out of My Peanut M&Ms!”
Candy-sorting robots are in plentiful supplies on these pages, and with good reason — they’re a great test of the complete suite of hacker tools, from electronics to machine vision to mechatronics. So...
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Candy Blaster Lets You Shoot PEZ At Your Friends
Nerf Blasters are great fun to play with, but you really shouldn’t eat the foam darts. Conversely, Pez dispensers are fussy and kind of boring, but the candy is a tasty treat. [Soloprototype] has...
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Gumball Coaster Is 3D-Printed Candy Fun
Marble runs are fun enough on their own, but what if you could eat the marbles? Gumballs are the satisfying answer to that question. To that end, [Adrian Seeley] whipped up a system for producing...
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2023 Halloween Hackfest: Candy Basket Sees You Coming
On Halloween, some people can’t or don’t want to open the door for various reasons. Maybe they have a cat that likes to escape every chance it gets, or maybe their favorite TV show is on during prime...
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