When it comes to audio, the number of speakers you want is usually governed by the number of tracks or channels your signal has. One for mono, two for stereo, four for quadrophonic, five or more for ...

Each year, 2 million people in the United States suffer from rotator cuff injuries — but only 600,000 get surgical fixes. A new, python-inspired device might close that gap. Rotator cuff surgeries ...

Some readers will no doubt remember attaching a playing card to the front fork of their bicycle so that the spokes flapped the card as the wheel rotated. It was supposed to sound like a motorcycle, ...