Remarkable metals, how shape memory alloys work - Ainissa Ramirez

View full lesson here: http://ed.ted.com/lessons/ainissa-ramirez-magical-metals-how-shape-memory-alloys-work From robots to braces to the Mars Rover, see how a special kind of metal called shape memory alloys advance technology in everyday ways that we don't always realize. Learn more about your ad choices. Visit megaphone.fm/adchoices