NOVA | Making Stuff Stronger
Watch Wednesday, August 21, 2013 at 9pm on WMHT TV
Thursday, August 22, 2013 at 7pm & Friday, August 23, 2013 at 2pm on WMHT WORLD
What is the world’s strongest material? From steel to Kevlar and spider silk to carbon nanotubes, host David Pogue looks at the ways in which science and nature work to make strong stuff.