New High-Resolution Laser Device Reads Millimeter-Scale Text From a Mile Away

New high-resolution laser device reads millimeter-scale text from a mile away

You are the protagonist in a thriller. One morning, an unknown caller with a distorted voice says, "To save your city, solve the puzzle. Go to the coordinates. X marks the clue." You rush to the spot and see an X on a distant billboard, too far to read. Your vision is sharp, but not that sharp. So, what do you do? A new laser emitter designed by a team of researchers from China could come to the rescue.

China claims 'spy' laser can read text smaller than rice grain from a mile away

SCIENTISTS in China claim they have developed a laser that can read millimetre-sized text from nearly a mile away. That’s smaller than a grain of rice. L.-C. Liu et al.Observing fine details from long distances with telescopes and high-power lenses brings its challenges[/caption] L.-C. Liu et al.The laser system reconstructing 1mm-sized letters (right) located far away[/caption] The researchers say the new laser-based system can pick up small de…

You are the protagonist in a thriller. One morning, an unknown caller with a distorted voice says: "To save your city, solve the puzzle. Go to the coordinates. X marks the clue." You rush to the spot and see an X on a distant billboard, too far to read. Your vision is clear, but not if [...]