ThorMay 19, 20221 minSupernovaSome suns (stars) may have already exploded and burned out. But we won’t know that until the light reaches us. Those suns that have...
ThorMay 12, 20221 minCrystallographyWhat do all these words and phrases relate to? Crystalline, symmetry, geometric, symmetrical intergrowth, and crystallography....
ThorApr 28, 20221 minRock SaltRock salt -- Rock, from the medieval Latin rocca. Salt, from old Germanic salz. A rock is made up of one or more minerals. Rocks are...
ThorApr 14, 20221 minMetamorphic RocksMetamorphic rocks, one of the three rocks that make up the Rock Cycle. The others are sedimentary and igneous rocks. Metamorphic means...