Apollo Program Logo T-Shirt For Space Fans

Pi Day is Coming! Fun 3.14 T-Shirts For Math Nerds

We celebrate Pi Day each year on March 14, because 3.14 are the first digits in Pi. Pi is a mathematical constant that represents the ratio of a circle's circumference to its diameter. Pi is actually an irrational number, meaning it is an unending, patternless decimal.  Pi is often...

Cute Virologist / Cat Lover T-Shirt

Do you know someone who works as a virologist who is also owned by a cat or cats? This cute t-shirt has a fun occupation / personal life mashup design. Bold text on this tee reads "Virologist by day Cat lover by night" in bold black all caps text....

You Matter Funny Physics Geek T-Shirt

This t-shirt design looks like it's a message of positive reinforcement with bold blue text that reads YOU MATTER. The design goes on to explain, effectively, how you might transition to another form: "until you multiply yourself times the speed of light squared THEN YOU ENERGY". The funny...

Fun Elements of Fatherhood T-Shirts for Fathers's Day

Geeky dads will love these two fun t-shirt designs inspired by the elements. Each design uses blocks representing elements from the periodic table to spell out a word. Father uses real elements, while the more whimsical Daddy design uses fictional elements appropriate for Fatherhood. Both t-shirts are fun...