Theories and Proofs T-Shirt

Navy

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

Printed upside down in glow-in-the-dark ink so the wearer can really use it.

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Principles of Flight T-Shirt $24.00 – $25.00

Ash

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

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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.

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Glows in the dark

Stalactites T-Shirt $24.00 – $25.00

Purple

Glow-in-the-dark design answers the most common question asked by visitors to caves.

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Opposites Attract T-Shirt $24.00 – $25.00

White

Ionic attraction at its best.

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Mars Probe T-Shirt $24.00 – $25.00

Ash

This Sidney Harris Mars Probe cartoon demonstrates that all is fair in love, war, and interplanetary exploration.

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Einstein Simplified Shirt $24.00 – $47.00

Purple

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

Einstein simplified, in three easy steps.

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One Small Step T-Shirt $24.00 – $25.00

Black