(CBS News) Nothing says Halloween quite like the weird sounds of the Theremin . . . tricky to play, but a treat when done well. With Faith Salie now we'll give it a listen: It just might be world's ...

Invented by accident in the 1920s, the unusual electronic instrument is hard to master but offers an enticing reward: freedom. Invented by accident in the 1920s, the unusual electronic instrument is ...

One hundred years ago — when urban architecture was straining skyward, the radio was becoming a household item, and great strides were being made in aviation technology — Russian physicist Lev ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...