Front: geometrical representation of the gravitational field of a black hole, with the equation for the Schwarzchild radius.
Back (pictured): And God said - Maxwell's equations - and there was light.
T-shirt is Black.

Pricing: $16 to $23.

May the F=ma Be With You Physics T-shirt features vector diagram with acceleration pattern at the bottom.

Pricing: $14 to $19..

Features physics formulae from algebra-based physics, printed upside down so you can read the shirt easily while you wear it. Available in Black, Ash Gray, and White.

Pricing: $14 to $16.

SALE! White 2XL Physics Formula Shirts are on sale for $10, while supplies last.

Sidney Harris Cartoon with caption: "I think you should be more explicit here in step 2."
T-shirt is Ash Gray.

Pricing: $17 to $24.

"Imagination is More Important Than Knowledge."
T-shirt is Ash Gray.

Pricing: $16 to $18.

Show your ionic sense of humor with this Nick Kim cartoon t-shirt.
Caption: "Just what is it outside that window that you gentlemen find so attractive?"
T-shirt is White.

Pricing: $16.

Einstein or someone who looks a lot like him muses on the physics of superheroes comics in this cartoon by Sidney Harris.
T-shirt is Navy Blue.

Pricing: $16 to $18.

"SCIENCE!" spelled out using the shapes of various science-related items.
This design is similar to the Blue Science! T-shirt design, but it is not identical.