E Equals Mc2 Magnets

Description: Energy is equal to my coffee. Power-up drink

Description: You Matter - Unless you multiply yourself by the speed of light twice, then you energy.

Description: Einstein formula

Description: Einstein formula

Description: A great design to add to your designer wardrobe. Buy it today for yourself or as a gift for family and friends.

Description: E Equals MC Squared. E=mc2

Description: Einstein

Description: SFairey-style propaganda design for KNOWLEDGE. Here’s to scientists and educators telling the world about the wonders of the universe, about the what, the when, the where & the why.

Description: You Matter Then You Energy. A physicist dad shirt for science dads, physics teachers and lab researchers who love a good mass-energy gag. Wear it to the lab, classroom, science fairs and family dinners. One of the nerdy physicist gifts and a funny dad gift for men who know you matter until you energy. Bright artwork made for black and other dark shirts.

Description: You matter unless you multiply yourself by the speed of light squared ... then you energy

Description: The most productive people take frequent breaks to goof

Description: Albert Einstein