Cal Poly Phase Change Window
This house stores coolness in tubes of phase-changing oil. The square units in the upper right of the window show the same material, transparent when warm and translucent when cold.
Taken Saturday, October 17, 2015, 04:33:41PM.
Original image size: 2592x3888, 1.8Mb
Technical details: Canon EOS 40D, 1/320s@ F4, ISO 200, 17-40mm f/4L, 29mm (46mm equiv)
PS CS5 Fill20 CVS 40:40:20, Profile, USM 20:20