Stipple - Your information and images together again. The camera that can see around corners | Science. Laser light and a camera that takes a picture every two trillionths of a second were used to reconstruct 3D images of hidden objects. Photograph: Sarah Lee/Guardian Scientists at MIT have built a camera that can peer around corners and see objects that would otherwise be hidden from sight. By overcoming a major challenge in optics and image processing, the feat could usher in devices that can survey a scene beyond the line of sight. The technological trick might be used to spot people who are hidden from view, or inspect components concealed deep inside machines. At the heart of the technique is the ability to build up images from light waves that are scattered off surfaces like walls in almost every direction.
As an illustration of how it works, imagine hiding an object around a corner in a mirrored corridor. It might still be visible because light bounces off the object and is reflected cleanly off the mirrored walls and towards the observer. But normal walls are not as shiny as mirrors. Record & Share your Ideas. How does the 30-day free trial work? If you cancel a paying plan within 30 days of signing up you won’t be charged a thing. If, after 30 days, you like Present.Me and want to keep using it, we’ll charge your credit card to continue. With payment, all of your data will remain and you will still have access. Do I get a 30-day free trial if I upgrade? You are welcome to upgrade from a free account to a paying plan any time.
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