X-Ray Vision, RF Capture and Emerald

A team of researchers at MIT’s Computer Science and Artificial Intelligence Lab (CSAIL) has long believed that wireless signals like WiFi can be used to see things that are invisible to the naked eye. Since 2013, CSAIL researchers have been developing technologies that use wireless signals to track human motion. The team has shown that it can detect gestures and body movements as subtle as the rise and fall of a person’s chest from the other side of a house, allowing a mother to monitor a baby’s...
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Navy seeks secret of invisibility from fish.

A study released Thursday says that two ocean fish the big-eyed scad and the lookdown have fine-tuned a method of avoiding predators by hiding in light. Elements in their silvery skin render them nearly impossible to see. The Navy funded the study as part of an effort understand how fish do this, and how it could be used to the Navy's advantage. Although the study focused mostly on just two types of fish, the scad and lookdown are members of a family called the Carangidae, a bountiful clan that ...
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