“Invisible headphones?” Kinda cool, really.
Once upon a time, workers were stacked in tall buildings, working away in the confines of their office cubes. (No, really! The world used to work this way!) If music listening was permitted, chances are there was a headphone policy so workers wouldn’t end up killing each other.
Which was fine, but wearing headphones can be retiring, restricting, and if you’re generous with the volume control, deafening. But what’s the solution?
Maybe these “invisible headphones,” which is actually a desktop speaker that sends out audio in a super-tight beam. here’s how it works. (And there’s even more analysis here.)
