Researchers at the Chinese Academy of Sciences just invented a new satellite that can see details as small as 1.7mm from ...

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 ...

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.