A not atypical coffee roaster, like an old-school Probat favored by Stumptown, looks like this (or this). Not a small machine. Unless you compare it to Dave Hartkop’s Helios 4, a solar-powered coffee roaster. More »
Source: http://feeds.gawker.com/~r/gizmodo/full/~3/9vGDWrqxXao/super-roasting-coffee-with-600-mirrors-and-a-giant-ball-of-fire-in-the-sky
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