Add/Subtract T-Shirt

Small Medium Large X-Large XX-Large +$1.00 Sweatshirt Small Sweatshirt Medium Sweatshirt Large Sweatshirt X-Large Sweatshirt XX-Large +$2.00

Anyone can make fun of science and education. Sidney Harris finds the humor that comes from within those fields.

Select options

You Want Proof T-Shirt $24.00 – $25.00

Featured on the cover of Sidney Harris’s You Want Proof book of science cartoons.

Select options

Printed Front and Back

Black Hole Shirt $24.00 – $47.00

Black

Small Medium Large X-Large XX-Large +$1.00 Youth Small 6-8 Youth Medium 10-12 Youth Large 14-16 Sweatshirt Small Sweatshirt Medium Sweatshirt Large Sweatshirt X-Large Sweatshirt XX-Large +$2.00

Front: Black Hole with Schwarzschild’s Radius / Back: Maxwell’s Equations of Light

Select options

The Part I Hate T-Shirt $24.00 – $25.00

Scientific geniuses are human, too. This t-shirt is for everyone who remembers what it was like to solve a problem at the blackboard.

Select options

Glows in the dark

Starry Night Shirt $24.00 – $47.00

Black

Small Medium Large X-Large XX-Large +$1.00 Youth Small 6-8 Youth Medium 10-12 Youth Large 14-16 Sweatshirt Small Sweatshirt Medium Sweatshirt Large Sweatshirt X-Large Sweatshirt XX-Large +$2.00

Glow-in-the-dark design uses clusters of celestial objects to illuminate the world’s most renowned physicist.

Select options

Principles of Flight T-Shirt $24.00 – $25.00

Author and cartoonist Sidney Harris muses that while ostriches can’t fly, they are taking the necessary steps to learn how.

Select options

Theories and Proofs T-Shirt $24.00 – $25.00

So many theories, so little proof.

Select options

Opposites Attract T-Shirt $24.00 – $25.00

White