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News Link • Welfare: Corporate

Smart Sunglasses

• arclein
The typical material behind a transition lens is what's called a photochromic film, or a sheet of polymers that change color when light hits them. Sotzing's new technology does things slightly differently - his electrochromic lenses are controlled by an electric current passing through them when triggered by a stimulus, such as light.

1 Comments in Response to

Comment by Olde Reb
Entered on:

 if the reaction is fast enough, welding goggles will allow unimpaired vision but darken immediately upon striking a the filter will restrict only frequencies.  neat.

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