Ice crystals in Earth's atmosphere sometimes align just right to create various striking visual effects, from a halo around ...

Some crystals, like agate or quartz, are porous enough to take in these dyes easily, while others may undergo more aggressive treatments to get the desired color.

Chameleon inspires 'smart skin' that changes color in the sun A new concept in the field of photonic crystals Date: September 11, 2019 Source: Emory Health Sciences Summary: Chemists used photonic ...

Since the sun is older than the Earth, it’s hard to find physical objects that were around in the sun’s earliest days that bear chemical records. But in a new study in Nature Astronomy by scientists ...

When the sun's high-energy particles struck the blue crystals, they split calcium and aluminum atoms to make certain isotopes of neon and helium, the study authors reported.

By examining tiny blue crystals trapped inside meteorites, scientists were able to figure out what the sun was like before the Earth formed -- and apparently, it had a pretty rowdy start. When ...