overpass

Self-Fixing Concrete Cracks That Repair Themselves With Sunlight

Concrete cracks are a big deal. Little concrete cracks lead to big concrete cracks. Big concrete cracks lead to lots…

12 years ago

Lego Brick Bridge: The Geekiest Overpass In The World

I wish SO MUCH I could tell you this bridge is actually made out of Lego bricks. Wouldn't that be…

12 years ago