Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

The first sound recordings from NASA’s Perseverance Mars rover have made it to Earth. Now, years after sci-fi films have shaped expectations, we finally know how space lasers sound — and it’s not what ...

For the first time, space engineers have captured the sounds of laser shots being fired on another planet. And no, this isn’t science fiction. “I am thrilled to hear a real example of the pew-pew ...

Surface acoustic wave (SAW) filters already fill our mobile devices, but a new breakthrough finds a way to make them smaller, potentially leading to even more compact devices.

In February of 2020 a team of researchers in Antarctica did something magical: They threw chunks of ice down super-deep holes in the frozen ground and recorded the subsequent laser-like sounds. Now, a ...

Several police departments across America are planning to try a new device that uses focused sound, turned way up. These so-called non-lethal... Focused Sound 'Laser' for Crowd Control Crowd control ...

Let’s just dive right into this, shall we. We begin with: To make a uaser, Weaver, Illinois research associate Oleg Lobkis and UMR physics professor Alexey Yamilov begin by mounting a number of ...

The first sound recordings from NASA’s Perseverance Mars rover have made it to Earth. Now, years after sci-fi films have shaped expectations, we finally know how space lasers sound — and it’s not what ...