What exactly is a laser beam?

How dangerous are lasers to planes? - BBC News

Lasers Study Guide - Inspirit Learning Inc

Red Laser Sights vs. Red Dot Sights: Is There a Difference?

Laser beam

The reason we're shooting laser beams between Earth and the moon

How do lasers work? Who invented the laser?

Bend A Laser Beam With This Easy, Physics-Defying Experiment

Frickin' Laser Beams: Fact vs Fiction

What Is a Laser Beam? (with pictures)