and tell the distance to objects with an accuracy of 15.6mm – a level of detail 100 times better than what can be seen with the leading spy cameras and telescopes that use lenses.

Chinese scientists have made a huge technical advancement in optical imaging technology, developing a powerful laser that could overhaul the global surveillance industry. The tech has the ...

Keep an eye out for small holes where a hidden camera could be placed, too. To make hidden cameras easier to spot, turn off the lights and shine a flashlight around the room, looking for the glint ...

It’s certainly a dramatic improvement on this ancient surveillance kit, which was once mounted on a Soviet spy satellite ... ways to make that happen is to strap on an action cam, like a ...