Issue Date: October 25, 2004
BEATING A PATH TO SMART MATERIALS
With their elegant designs and ability to move on command, synthetic molecular machines and motors have captured the imagination of chemists and other researchers, especially those working on molecular electronics. But as beautiful and clever as they are, molecular machines have taken their lumps too.
Skeptics contend that these molecules don't actually do any work and therefore aren't machines at all. About a year ago, Science published a story [302, 556 (2003)] that voiced the . . .
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