The other day I was talking with a couple co-workers in the hall as they were preparing to leave work. They put on their Transitions sunglasses and complained about how they weren't changing back and forth very well anymore from clear to dark. "Yeah," said one, "when they get about a year old they slow down in their change rate and it takes too long. They slow down when it gets cold, too."
At this point I remembered watching a sci-fi movie called The Man Who Fell To Earth, staring David Bowie. I wouldn't call the movie excellent, but it has a cult following. It's from
Now, once again, science fiction has become reality. In fact, it's even cooler:
A chemist named Chunye Xu and colleagues at the
Eyeglasses should be available within a couple years. I'll be waiting for my pair. Ooh, wouldn't it be wicked to have the color and darkness change rapidly, on purpose, shifting color every few seconds? Or have each lens a different color? I wonder if you could have the lenses vary in color and intensity across their face? Could you apply this technology to home windows, or church windows, or Christmas ornaments, or my friggin' aquarium? You could do all sorts of gimmicky things, I imagine.