How do heat activated color changing type things work?
- Tuesday Dec 1,2009 07:46 AM
- By diddy
- In Others
I got a Harley Davidson coffee cup and when you put some hot liquid in it the flames will go from a greyish-matte color to orange flames.
And it made me question, How do these type things work?
What makes them change colors?
How do they do that?
Coffee Cup, Colors, Harley Davidson, Orange Flames
One Comment
It is almost certainly what is called a thermotropic liquid crystal:
http://en.wikipedia.org/wiki/Liquid_crystal
(Watch out: those chemists are smart cookies!)
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