US EditionChina’s New Spy System Can Read an Open Book From Over a Kilometer Away
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China’s New Spy System can Read an Open Book from Over a Kilometer Away
Chinese scientists have developed a laser-based imaging system capable of reading text as small as 3 millimeters from a distance of 1.36 kilometers (approximately 0.85 miles).Photo: journals.APS.orgThis advancement, detailed in a study published in Physical Review Letters, utilizes active intensity interferometry to achieve a resolution enhancement approximately 14 times greater than that of traditional single-telescope systems.As in the study p…
Classic telescopes capture shapes only over 42 mm at the same distance. The technology is based on "active interferometer", which analyzes the reflection of the light. It must be illuminated so that the technology is not invisible. From China comes an impressive technological leap: a watch laser that can read smaller letters... than an ear Bob, from a distance over a mile. With a precision of 1 millimetre to 1.36 km, it is much more than the abi…
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