
NREL research scientist Dane Gillaspie holds a sample of an electrochromic, or color-changing, window inside an accelerated weathering chamber at the Field Test Laboratory Building. Prototype windows are subjected to extreme simulated conditions to determine their performance and durability. Refresh your browser to see the glass change color from clear to opaque and back.
NEMA’s got the story here.





![2610_LightNow_Archlight_Banner Ad_900x400 | LightNOW Dallas Market Center ArcLight Summit banner: Call for Speakers, June 22–23, 2027 — Apply Now (logo with colorful arc.”] ,](https://i0.wp.com/www.lightnowblog.com/wp-content/uploads/2026/10/2610_LightNow_Archlight_Banner-Ad_900x400-e1792264459229.png?fit=900%2C400&ssl=1)


You must be logged in to post a comment.