Erik Schlangen: A self healing asphalt

Paved roads are nice to look at, but they re easily damaged and costly to repair. Erik Schlangen demos a new type of porous, asphalt made of simple materials with an astonishing feature: When cracked, it can be healed by induction heating. (Filmed at TEDxDelft. ) TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at Follow TED news on Twitter: Like TED on Facebook: Subscribe to our channel: