U.S. Marine Corps photo by Cpl. Melissa Wenger/Released 130606-M-RR352-001.JPG
Jun 10, 2013
An electrochromic window is beginning the transition process at building 6311 aboard Marine Corps Air Station Miramar, Calif., June 6. The windows can transition between four and 60 percent light transmission, allowing for cooler air during sunny days and illumination during overcast ones.
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