This episode contains: Sick host, LEGO AT-AT and snow speeder, Egyptian museum, dyes, calcium copper silicate, complex firing techniques, traded throughout the world, visible red light reflects infrared, practical medical uses, pigment processes, lapis lazuli and Minecraft, 3D printing and LEGOs, how the pyramids were built, celestial objects, patterns and measurements, arbitrary calculations, pi, self-organization, Stargate, UFOs in ancient artwork, speculation on celestial objects, artistic telephone, Futurama quote, what Steven learned.