Almost anybody can do 100 miles. If you can run 10 miles, you can run 100 miles. But you have to be persistent, says Roche.

Researchers at Columbia have created a chip that turns a single laser into a “frequency comb,” producing dozens of powerful ...

"To take Germany prior to 1600 as an example, organ pitch there is thought to have varied from a high of A=567 Hz for the first simple pipe organs of the Middle Ages to a low of A=377 Hz for the early ...