We’re most familiar with sound as vibrations that travel through the atmosphere around us. However, sound can also travel ...

Blueline Sensors LLC released the WASP2 Tactical Contact Microphone. These compact microphones can fit in the palm of your hand but instantly attach to steel doors with built-in high-strength magnets, ...

Donald Bell has spent more than five years as a CNET senior editor, reviewing everything from MP3 players to the first three generations of the Apple iPad. He currently devotes his time to producing ...

Blueline Sensors released its most advanced tactical contact microphone to date. The WASP3 Tactical Contact Microphone, designed with tactical teams, crisis negotiators and technical investigators in ...

Unlike other microphones, a contact microphone makes you look at the world in a different way. At the heart of the contact mic described here is a ceramic piezo-disc, which can be mounted with ...

Designed in Israel by a military contractor, the Pro Extreme Contact Microphone enables you to amplify the sound being produced behind walls, ceilings and floors, thus making holding up a glass cup to ...

Spiders communicate using complex movement and vibration patterns. To find a solution for this long-standing problem, a University of Nebraska-Lincoln PhD student recently combined an array of tiny, ...

Contact microphones turn vibrations into electrical signals, and can then be transcoded into sound waves. This is precisely what the Mogees project does, and it does it well. The gadget can stick to ...

Mogees is a project that uses microphones to turn any surface into an interactive board, which associates different gestures with different sounds. This means that desktop drummers could transform ...