A burst of invisible light can do more than illuminate a surface. In a new study, Michigan State University researchers used ...

A whitehat hacker has demonstrated the use of an invisible laser beam to detect what a MacBook user is typing, from a distance, through a window, without being able to see the keyboard … The principle ...

Here’s a shower thought: if light and sound both travel as waves, can you make something that works similarly to a laser but uses sound instead of light? It turns out that the answer is “yes”! If you ...