Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Apr 27, 2011
http://www.ted.com Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she's produced viruses that can construct powerful new batteries, clean hydrogen fuels and record-breaking solar cells. At TEDxCaltech, she shows us how it's done.