Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A long time ago, in an era known as the not-too-distant past ...

You can hear sound, of course, but what if you could see it with a laser? That’s what [Goosetopherson] thought about, and thus a new project that you can see in the video below was born. The ...

We've been following the quest for the world's best speakers for some time but remarkably, there's still room for improvement. A key issue that plagues proper sound reproduction (and thus its ...

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 ...

The quest for ever more realistic sound reproduction seems set to move to a whole new level. Traditional microphones convert sound to electrical signals by measuring the deflections that sound ...

Lasers amplify light, masers amplify microwaves, and now, from France, comes the saser: a supercool glass rod that amplifies sound. Lasers have become ubiquitous: they read the prices of our groceries ...