Lasers are a special type of light. They can cut through steel, look inside the brain of a fly, and help us explore hidden places. They are used in medical operations, at rock concerts, and in everyday items, such as DVDs. How do lasers work?
Lasers are a special type of light. They can cut through steel, look inside the brain of a fly, and help us explore hidden places. They are used in medical operations, at rock concerts, and in everyday items, such as DVDs. How do lasers work?