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Can you see or tell, what thing is there behind a wall that you can’s see? Not possible for you. Because your eyes can’t split the wall. But a camera can do the work for you. Laser experts at Massachusetts Institute of Technology (MIT) reported on Tuesday that they have succeeded in using an experimental camera to capture 3D images of objects which is even capable of detecting hidden things. Seems like, a camera becomes an X-ray machine. Now, you see the hidden things through a camera.


Seeing the hidden things through a camera is pretty amazing. The camera emits laser pulses in 50-femtosecond (quadrillionth of a second) pulses at various spots on the blockaded thing. The light pulses reflect off the obscured object and reflect back onto the blockaded surface. The camera is not an ordinary camera. It has a time resolution of 2 picoseconds. It collects these scattered reflections and transfers them into a computer. The algorithms crunches the data and reconstructs the hidden objects within 15 millionths of a second.See the video below.

Researchers suggest that the technology will initially see applications in high-cost military or search-and-rescue operations. “Two years ago this was only dreams, now there is a real demonstration. Amazing research — the ability to reconstruct an image by a reflection of a reasonably flat, diffuse wall,” imaging expert Allard Mosk of the University of Twente in the Netherlands says in an e-mail.

Right now, the camera is in prototype stage and it’s very expensive. You can visit here to know more.

Source : MIT News

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