tag: infrared laser

Power/Performance Bits: July 2

By Ed Sperling - 02 Jul, 2013 - Comments: 0

Using low-power Wi-Fi to track moving humans Based on a concept similar to radar and sonar imaging, researchers at MIT’s Computer Science and Artificial Intelligence Laboratory have created a system capable of seeing people through walls. Previous efforts to develop such a system have involved the use of expensive and bulky radar technology that uses a part of the electromagnetic spectrum on... » read more

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