Hacker Samy Kamkar is debuting his own open source version of a laser microphone—a spy tool that can invisibly pick up the sounds inside your home through a window, and even the text you’re ...

To reduce the unwanted noise ­created by ambient light when attempting to detect vibrations in his reflected infrared laser, for instance, he designed his laser microphone system to strobe on and ...

Laser microphones have been around since the Cold War. Back in those days, they were a favorite tool of the KGB – allowing spies to listen in on what was being said in a room from a safe dist… ...