Ready for a fresh set of puzzles? Click here for the July/August 2025 Puzzle Corner, brought to you by guest editor Ed Faulkner ’03. Send problems, solutions (by August 1), and comments to puzzlecorner@technologyreview.com. Editor emeritus Allan Gottlieb ’67 launched Puzzle Corner in 1966. Find back issues through 2022 at cs.nyu.edu/~gottlieb/tr and more recent back issues at technologyreview.com/puzzle-corner.
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Bill Shufelt fought an uphill battle to create a non-alcoholic beer that people actually wanted to drink. Now Athletic Brewing Company is one of the top 10 brewers in the country.
Tade Oyerinde started Campus because he believed Americans deserve low-cost, high-quality options for getting a college education. Tuition is $7,200 a year — less than a Pell Grant — and all students are given a laptop and a career coach.