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Intelligent paint turns roads pink in icy conditions 8 Apr 2008
New Scientist reports on a new temperature-sensitive varnish that can be applied to road surfaces to warn drivers about dangerous conditions. Developed by researchers at French company Eurovia, the varnish is made of a polymer containing a thermochromic pigment - the same stuff that's already used to make bath thermometers and frozen food packaging. This coating remains clear in good conditions but turns dark pink when temperatures drop below 1 degree C, thereby alerting drivers to the presence (or imminent presence) of ice. Interesting idea!
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8 comments so far
Zidge 8 Apr 2008 03:46 PM
Interesting idea indeed, but is pink really the best choice of colour? Surely its nigh on invisible at night and with a coating of ice on top of it?
mon 19 Apr 2009 08:40 AM
I think having another colour is much better than pink cause it might not be clear at night, so i think if there is anyway to have something that can change the road into pink in the moring and yellow at night , but its still an interesting new idea =)
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