Do-it-yourself quantum spooky action

DRESDEN, Germany–How cool would it be not just to read about the craziness of quantum mechanics, but to see it–even better, do it–for yourself? Several years ago I asked virtuoso experimental physicist Paul Kwiat whether he could develop a simple demonstration anyone could do at home, and he and his undergraduate student Rachel Killmer came up with a “quantum eraser” . This week I got to see another big step toward the era of quantum homebrewers

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Do-it-yourself quantum spooky action