Advent Calendar Day! 24 Cool Science Experiments Advent Calendar

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...

On this day in 1969, NASA launched Apollo 10 -- the final test flight before the historic flight of Apollo 11 to put the first men on the moon. The flight had astronauts Thomas P. Stafford, John Young, and Eugene Cernan performing the final tests before the lunar...

This funny graphic shirt for physics and science geeks takes on the optimism versus pessimism trope of a glass being half full or half empty. Technically, the glass is completely full, whether it's mostly water or not, there's something else in there: air.  This simple white graphic t-shirt...

This fun t-shirt features text surrounding an illustration of an atom with a cute red smiley face inside. The text, in white and red, reads in all caps: Never Trust an Atom | They Make Up Everything. A truer statement there never was.  This funny science geek t-shirt...