What do plastic bags have in common with metal?

In less than 100 seconds, Adrian Sutton explains why metals and plastic bags deform in different but related ways. Visit physicsworld.com for more videos, webinars and podcasts.

 

The Kinetic Theory

Solid, liquid, gas.

 

Hewitt-Drew-it! 55. Scaling 1

How does scaling up the sizes of living creatures affect strength?

 

Hewitt-Drew-it! 54. Density Problem

Given a piece of pure quartz with traces of gold, how can the amount of gold be determined?

Hewitt-Drew-it! 53.Solids

Density and the shapes of beams are investigated.