![Cool shades—sunglasses that turn from dark to clear with the push of a button - The American Ceramic Society Cool shades—sunglasses that turn from dark to clear with the push of a button - The American Ceramic Society](https://ceramics.org/wp-content/uploads/2015/07/Sunglasses.jpg)
Cool shades—sunglasses that turn from dark to clear with the push of a button - The American Ceramic Society
![Ultra-thin film could one day turn regular glasses into night vision goggles, researchers say | Science | The Guardian Ultra-thin film could one day turn regular glasses into night vision goggles, researchers say | Science | The Guardian](https://i.guim.co.uk/img/media/36c4b73f670db7c85c6cabae4ede2e4c941cccb9/51_0_7455_4473/master/7455.jpg?width=465&quality=45&auto=format&fit=max&dpr=2&s=2d2ed89909296debbcff9ed8ffaa1bf0)
Ultra-thin film could one day turn regular glasses into night vision goggles, researchers say | Science | The Guardian
Framed Eyewear - Turn these prescription glasses from Halstrom and London Club into sunglasses in seconds! These polarized magnetic clip on fronts snap directly onto the front of the glasses providing you
![My glasses turn into sunglasses when exposed to light. I left them folded on my window and awoke to this : r/mildlyinteresting My glasses turn into sunglasses when exposed to light. I left them folded on my window and awoke to this : r/mildlyinteresting](https://i.redd.it/2g10kc6969k51.jpg)