Imaging System Peeks Inside Closed Books

Though reading closed books may sound like a story from a fiction, researchers have developed technology to make it a reality. Using Terahertz (THz) radiation, a team of scientists from MIT has developed an imaging system that can create images of individual pages inside a closed book. Designed by MIT Media Lab researchers under the supervision of research scientist Barmak Heshmat, the system uses a THz camera with built-in receiver sensor. The camera emits ultrashort bursts of radiation and the sensor detects reflections from the book to create images of the stacked pages.

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