But what if you could build an electric car so light that you could (if you were so inclined) lift it with your hands, with a range in the thousands of miles, and that was still as structurally strong as a normal car? Or what if you could build a bridge using only one percent of the materials that would normally be required? According to Julia Greer, professor of materials science and mechanics at Caltech, the technology that would allow us to do that might soon be within our reach.
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