crystilogic: Elasticity: ‘While a red butyl ball rolls dead, a blue natural-rubber ball keeps bouncing—and a yellow cis-polybutadiene ball bounces higher.’, photo by Donald Miller from Giant Molecules by Herman F. Mark (Life Science Library 1966/1968) (my book).

crystilogic:

Elasticity: ‘While a red butyl ball rolls dead, a blue natural-rubber ball keeps bouncing—and a yellow cis-polybutadiene ball bounces higher.’, photo by Donald Miller from Giant Molecules by Herman F. Mark (Life Science Library 1966/1968) (my book).

(Source: cmnotes)