Web edition: May 30, 2012
When you think of robots, you might think of something like Wall-E — a machine designed to perform boring tasks, such as compacting trash.
But engineers today are making robots that can do much more interesting jobs. Robots shaped like snakes could one day search for victims after an earthquake or help doctors perform surgeries. Underwater robots might be able to lead fish away from environmental disasters. And humanlike robots could help people with diseases or physical disabilities.