trumpet the sound from the trumpet comes from a vibrating column of air created by buzzing lips of the trumpeter A sound wave is a longitudinal wave. When an object vibrates it produces a ...

After a long work day, most of us happily collapse into a couch and binge-watch our favorite show. But Linden Gledhill, a Philadelphia-based pharmaceutical biochemist, retreats to his basement lab.

Researchers found a way to reinvent glass that is self-cleaning and doesn't need harsh chemicals to be water-resistant.

“I tried to do more than just play. I brought hands on activities. I had them playing with slinkies to give a visual picture of what waves look like.” ...