It's a common problem encountered by shade-tree mechanics. You can hear the noise inside the engine bay, but you can't figure out where it's coming from. That's where a sound camera comes in. Sound ...

The Z9’s new fake shutter sounds are a fun addition, but Nikon could be doing so much more. The Z9’s new fake shutter sounds are a fun addition, but Nikon could be doing so much more. is a reviewer ...

If you work with machinery, engines or appliances of any type, then you’ve likely experienced the frustration of hearing a troublesome noise coming from somewhere, but not being able to pinpoint where ...

A few years ago, [Artem] learned about ways to focus sound in an issue of Popular Mechanics. If sound can be focused, he reasoned, it could be focused onto a plane of microphones. Get enough ...

When it comes to smartphone etiquette, there's something inherently satisfying about going about your business discreetly. Whether it's choosing a silent ringtone or disabling notification sounds, ...

[Benn Jordan] had an idea. He’d heard of motion amplification technology, where cameras are used to capture tiny vibrations in machinery and then visually amplify it for engineering analysis. This is ...

Sometimes, you just want to snap pictures on your iPhone discreetly. Unfortunately, the camera's shutter sound can give you away. And the annoying part is that there's no setting you can change to ...