Velcro
( :55)
Invented in 1957, Velcro revolutionized
the world of fasteners. Velcro fasteners
are made from plastic. Watch this clip to
find out how Velcro works.
Gortex
(1:05)
Gortex is a special plastic designed to
keep you warm and dry in bad weather.
Watch this clip to find out how this
smart plastic does its job.