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Ellis Abel Learns.

In my own words · San Jose, 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 San Jose, 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 San Jose.

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 San Jose, 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

This page is written to the child, not about them. If a kid in San Jose, CA loves bridges, here is the grown-up version of what they already feel. The San Jose–Sunnyvale–Santa Clara, CA metro area has about 1,984,473 residents, ranking 36th in the country.

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 — San Jose, CA →

Love something else too

Near San Jose

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