
The wall of pride at Cisco HQ.
The glass is a bit hazy because the entire surface can instantly switch from transparency to a huge computer display.
It is electrochromic glass (with a voltage-triggered color-changing thin film). It’s not like an LCD though. I snuck into the hot room behind the glass to find a large array of rear projectors mounted on the roof. The glass just goes from clear to white diffuser. It’s somewhat like the massive TV at Oak Ridge Nat’l Labs.
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