The coffee connoisseurs in the crowd are probably familiar with the popcorn popper method of roasting your own beans. But anyone who’s tried it has probably found the hot-potato method of transferring the roasted beans back and forth between two colanders, to arrest the roasting process, a little… inelegant. On Evil Mad Scientist, Windell shows how he turned an air popper into a cooler for cooling the beans down after they’ve come out of the roaster. And no, unfortunately, the same air popper cannot be used to for both the roasting and the cooling. You need two air poppers.
Roasting coffee at home: a DIY coffee bean cooler
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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at garstipsandtools.com.
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