Spectrum of Light 18 oz Steel Bottle Spooky Experience the power of equations

Experience the power of equations that changed the world with this bold black and white ceramic mug

This sturdy orange canvas tote bag is reversible with a zipper pocket on one side

Retinal Mosaic

or keep a warm drink at the ready on chilly mornings

Keep track of your upcoming mushroom hunting trips

Spectrum of Light 18 oz Steel Bottle Spooky Experience the power of equationsOn a dark night, away from city lights even with the naked eye you can see that the stars shine in different colors. Studying the light emitted by each star tells us loads of information about the chemical composition, density, mass, distance away, and how that star is moving. This design celebrates astronomical spectroscopy and learning to understand the secrets of the cosmos.