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Ellis Abel Learns.

In my own words · Santa Ana, CA

Why I love bridges

An aerial view of construction crews and barges working to complete the westbound span of the Indian River causeway bridge. Real NASA photograph used on the Ellis Abel Learns "Why I Love Bridges" page — read by families in Santa Ana, CA.
An aerial view of construction crews and barges working to complete the westbound span of the Indian River causeway bridge. NASA · Public domain
  • It holds up things much heavier than itself.
  • The shape is doing the work, not the size.
  • Someone calculated this before they built it.

You can love bridges in Santa Ana.

What it really is

A bridge carries load by routing forces into shapes that handle them well.

Three things to try today

  1. Make a flat paper bridge and load it.
  2. Fold the same paper into a beam and load it again.
  3. Say why the second one held more.
An aerial view of construction crews and barges working to complete the westbound span of the Indian River causeway bridge. Real NASA photograph used on the Ellis Abel Learns "Why I Love Bridges" page — read by families in Santa Ana, CA.
An aerial view of construction crews and barges working to complete the westbound span of the Indian River causeway bridge. NASA · Public domain

For the grown-up reading this

A child in Santa Ana, CA who loves bridges is not unusual. A child in Santa Ana, CA who is told that loving bridges is unusual — that is the problem. Santa Ana has a population of about 334,227.

Same material, different geometry, ten times the strength. It is the cleanest engineering demo there is.

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 — Santa Ana, CA →

Love something else too

Near Santa Ana

Why I love bridges, everywhere in the US · All things to love · STEM jobs you could do · Summer camps in Santa Ana