Seeing red means danger ahead
A tiny molecule may make a big difference in future warning systems
By Stephen Ornes, 00:00 AM May 14, 2009
A polymer containing a color-changing molecule called a mechanophore turns red seconds before it snaps. The technology may one day allow damage to materials or structures to be easily spotted.
|D. Stevenson, A. Jerez, A. Hamilton and D. Davis|
The color red often means danger — and by paying attention, accidents can be prevented. At railroad crossings, flashing red lights warn cars to stay back. A red light at a traffic intersection tells cars to stop, so they don’t run into other c...
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