The Supreme Court seems to think thermal is special compared to visible wavelengths [0]. Note that this ruling would probably be overturned now that smartphone

The Supreme Court seems to think thermal is special compared to visible wavelengths [0]. Note that this ruling would probably be overturned now that smartphone thermal imaging accessories are under $200 [1]. [0] https://en.wikipedia.org/wiki/Kyllo_v._United_States https://en.wikipedia.org/wiki/Kyllo_v._United_States [1] http://www.flir.com/flirone/ http://www.flir.com/flirone/