This computer geek t-shirt has a simple text design in the perfect style of font: digital dot-matrix green. The text reads COMPUTER WHISPERER, making this the perfect gift idea for anyone who loves computers or works with them.

This shirt is great for computer science students and teachers, IT department workers, computer whiz family members, and other computer whisperers. 

Get this computer geek t-shirt in black as shown, or choose from other dark colors where the green text really pops. Get this in unisex (shown) or cuts for women or youth.

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This t-shirt design looks like it simply shares an uplifting 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 graphic phrase is accompanied by two illustrated atom icons.

This is a fun shirt for science geeks who are into physics. It's not great for grammaristas, though.

This funny physics geek tee is shown here in a unisex cut on black. You can pick a different color for the unique graphic design and choose different cuts for women or youth.

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Fight back against the war on science with this awesome factual t-shirt that reads simply "SCIENCE Doesn't Care What You Believe In". The bold statement is accompanied by icons of science: an atomic symbol; an erlenmeyer flask; geometry symbolism; and more. 

This is a comfortable 100% cotton or cotton blend shirt available in 18 (!) different colors and a wide variety of unisex cut sizes in both regular and tall to accomodate many different body shapes and sizes. This fun science t-shirt is a great gift idea for anyone who knows science provides the real facts!

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This cute math geek t-shirt has a graph background. Text reads "I See You Have Graph Paper" and "You Must Be Plotting Something". This funny phrase is cute for anyone who loves math, geometry, or just using graph paper! 

The joke is in the double meaning of "plotting": plotting as tracing out an image or idea on paper; or plotting as in conceiving of or planning to do something, often with a negative connotation (like plotting a robbery). 

Shown here on a navy blue t-shirt in a comfortable unisex cut, this awesome geometry geek t-shirt design can also be purchased in a flattering women's cut. You can pick a different color, too, to best suit your style or wardrobe. 

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This is a fun shirt in a unique style for anyone interested in or working with studying quantum entanglement. The graphic is done in retro cartoon style and includes a vintage-look font for the caption QUANTUM ENTANGLEMENT.

Quantum entanglement, of course, is a physical phenomenon that occurs when a group of particles are generated, interact, or share spatial proximity in a way such that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance (thanks Wikipedia). The graphic on this shirt simplifies the idea in bold black and white. 

Get this Quantum Entanglement t-shirt design on a basic white t-shirt as shown, or pick a different color, cut, or style from Zazzle's vast catalog.

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This funny t-shirt is a great gift idea for anyone who works as an engineer. The graphic tee for Engineers features a simple cartoon image of a human brain along with certain areas noted, like the "management BS sensor", the "coffee location sensor", and the "sarcasm cortex". The entire design is titled ENGINEER'S BRAIN in bold yellow text.

This comfortable casual fit t-shirt is made of cotton or a cotton-polyester blend. The yellow and white design looks great on a black shirt as shown here, or choose from other dark color tees. The shirt is also available in cuts for women or youth.

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