Bored of dying from Covid-19, Americans have dreamed up a more entertaining way to mortally wound themselves: the milk crate challenge. Wired asked structural engineer Dr. Nehemiah Mabry (who explained the different types of bridges to us earlier in the year) to explain the physics behind the challenge and why you shouldn't attempt it. (via @pomeranian99)

• Nehemiah Mabry
• physics
• science
• video

Educator and structural engineer Nehemiah Mabry sat down with Wired to talk about all the different kinds of bridges in the world (cable-stayed, suspension, arch, truss) and which types are used in which situations.

See also Fantastic 3-D Animation of How Medieval Bridges Were Built. (via the kid should see this)

• architecture
• Nehemiah Mabry
• video