It was the summer of 1969. Scientists in Rochester, N.Y., prepared to fire up an experimental laser. Everything was in place—from the cooling system to ensure the laser didn't burst into flames to the ...

Fifty years ago Sunday, a Hughes Labs researcher named Theodore Maiman changed the world. That day, Maiman became the first person on Earth to build a working laser, something that colleagues at a ...

This tutorial wont be the most practical recording setup you have ever used, but it is an interesting bit of science and a great DIY project. It is a simple laser listening device that will allow you ...