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Ellis Abel Learns.

In my own words · Modoc County, CA

Why I love lasers

An optical bench in the Laser Optics Laboratory at Ames Research Center, crowded with mirrors, lenses and beam paths. Real NASA photograph used on the Ellis Abel Learns "Why I Love Lasers" page — read by families in Modoc County, CA.
An optical bench in the Laser Optics Laboratory at Ames Research Center, crowded with mirrors, lenses and beam paths. NASA · Public domain
  • The light goes in one straight line and stays there.
  • It can cut metal or read a disc.
  • All the light waves are marching together.

You can love lasers in Modoc County.

What it really is

A laser makes light waves that all line up, so the beam stays tight.

Three things to try today

  1. Shine a flashlight and a laser pointer at a wall far away.
  2. Compare the size of the spots.
  3. Say why they are different.
Researcher Dana Lynch works at the laser optics bench in the Laser Optics Laboratory at NASA Ames Research Center. Real NASA photograph used on the Ellis Abel Learns "Why I Love Lasers" page — read by families in Modoc County, CA.
Researcher Dana Lynch works at the laser optics bench in the Laser Optics Laboratory at NASA Ames Research Center. NASA · Public domain

For the grown-up reading this

Modoc County is one of 58 counties in California. The question is not whether Modoc County, CA has children who love lasers. It is whether anyone told them that counts as something.

Coherence explained with two spots on a wall. No equations needed.

If the kid who loves this is a girl

Read what one popular teacher said to one little girl who took out the classroom trash without being asked — and what that girl did with the rest of her life.

Girls are great at math — Modoc County, CA →

Love something else too

Near Modoc County

Why I love lasers, everywhere in the US · All things to love · STEM jobs you could do · Summer camps in Modoc County