First Walking Polymer Could Be Used in Robots

Synthetic polymers, primarily plastics, are used to make a host of items, from paint to plastic bottles to sunglasses and DVDs. Imagine what could be created with a plastic that can be made to shimmy, and even crawl. Now a new polymer has been developed that actually walks like a caterpillar as it reacts to light. VOA’s Deborah Block tells us about it.