Using a regular speaker blasting out a narrow beam of sound, researchers have developed an LED that can actually be powered by nothing but audio. Providing a new way to deliver wireless power to devices from greater distances.
If my hangover existed in real life, it would be in the form of this 5000 beer can speaker system. Yup. All the beer I drank over the past few years booming different noises right inside my ear as I groggily make sense of what happened to my life.
The Occupy movement has become of the longest large-scale protests in US history, and all that protesting had pitted the activists against police departments and their crowd-control weapons. One of the more controversial of those is the LRAD Sound Cannon. So what’s the harm in a little noise? Well, a lot, actually.
This thing is a monster. Nik Nowak, a DJ hailing from Berlin, outfitted this Japanese mini-dump truck to become a veritable assault vehicle of sound, capable of pumping out 4000 watts of moving acoustic muscle.
