Diff is a device that prints out a stream of the edits on thermal paper.

Created by NYTLabs, Diff is a small device that monitors the online headlines of the New York Times and prints out any changes to the headlines onto a piece of thermal paper.

While it is running, the device continuously prints out a stream of changes like a running receipt. Any text that was removed are printed out in inverted colors while any text added are underlined.

Diff was inspired by the NewsDiffs project, which monitors the various versions of news articles on different websites. According to a post on the NYTLabs blog, the device was conceived as “a hardware experiment that transposed rhythms and signals from the network realm onto the physical world, while remaining a background process that wouldn't irritate everyone in the Lab.”

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