Scientists at the Lawrence Livermore National Laboratory (LLNL) have for the first time 3D-printed transparent glass at room temperature. This new 3D printing method can make flat lenses in just ...

Glass is Solid… So Why Is It Clear? Season 8 Episode 25 | 5m 42s Video has Closed Captions | CC. Glass is made of sand, which is a kind of rock. But glass is transparent, and rocks aren’t ...

So, they used their transparent wood to replace a glass window in a birdhouse. Under a heat lamp, the interior stayed nine to 11 degrees cooler than when it had a glass window.

“The results are amazing, that a piece of wood can be as strong as glass,” says Hu, who highlighted the features of transparent wood in the 2023 Annual Review of Materials Research.

Lots of glass surfaces can brighten up a room, but it also lets in too much heat as well as neighbors’ prying eyes. A new metamaterial is not only more transparent to light, but adds privacy ...