ThorMay 191 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 121 minCrystallographyWhat do all these words and phrases relate to? Crystalline, symmetry, geometric, symmetrical intergrowth, and crystallography....
ThorApr 281 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 211 minHubble Space TelescopeThe famed Hubble Space Telescope celebrates 32 years in space this week. The telescope is named after American astronomer Edwin Hubble...
ThorApr 141 minMetamorphic RocksMetamorphic rocks, one of the three rocks that make up the Rock Cycle. The others are sedimentary and igneous rocks. Metamorphic means...
ThorApr 71 minPhysics and the Law of Conservation of EnergyLet’s talk about physics and the law of conservation of energy. The main goal of physics is to understand how the universe behaves. It...
ThorMar 101 minInterpreting ArchaeologyI am a trained archaeologist, but archaeology is not at all what most people make it out to be. Yes, it’s about digging up cool stuff...