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A chamber the size of a grain of salt

05.12.2021

Scientists from two US universities - Princeton and Washington - have created a tiny chamber the size of a grain of salt.

The camera sensor is only 0,5 mm wide. Its metasurface consists of 1,6 million cylinders at a special inclination. They capture and refract light in the right way, and then algorithms form an image from this data.

Despite the fact that the new sensor is half a million times smaller than a conventional lens, the pictures taken by it are not inferior in quality and even better. The developers believe that the miniature camera opens up new possibilities in fields ranging from robotics to medicine.

Earlier, American specialists created a computer as thin as a sheet of paper. Such a device can be glued to a broken bone and will tell doctors when it is time to remove the screws and plates.

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Random news from the Archive

Ancient fresco 18.08.2007

French archaeologists working in Syria have found the oldest painted wall. In a dilapidated building made of clay bricks, a colored pattern of about four square meters of geometric figures was found on the wall. It is assumed that the clay structure with the fresco was used as a ritual one.

This is the oldest example of wall art, it is about 13 thousand years old. Although the oldest rock paintings that have survived to our time are 36 thousand years old.

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