What exactly is a laser beam?

Long Range Laser Pointer 10000 Feet Visible Beam,USB

Laser beams have gravity and can warp the fabric of the universe

Laser - Wikipedia

How does a CO2 laser work? ➡️ Mr Beam explained – Mr Beam Lasers

How dangerous are lasers to planes? - BBC News

How do you focus regular light to make it a laser beam?

How to Master Success with Laser Beam Focus

What is a Laser Security System?

Lesson Explainer: The Properties of Laser Light

Researchers demonstrate the world's first white lasers

Should you use an electron beam weld or a laser beam weld?

How Does Temperature Affect the Wavelengths of Lasers?