What can Lasers do?

Lick Observatory Lasers are usually thought of as being futuristic; used only in science or as part of "outer space."

But lasers are everywhere nowadays. Lasers are used to communicate, to determine how far away things are, to be able to record and retrieve information, and to fix not only machines but the human body as well.

See how lasers are being used today.

See how lasers work?