Spacetime World Line t-shirt

Geeky science t-shirt.

Just when you didn't think Something|Geeky could get any geekier. BAM! We bring you the Spacetime World Line t-shirt! 

So do you have a firm grasp in the workings of of the universe? 

Do you want to flaunt that grasp around the unknowing public, randomly laughing as you go and repeating phrases such as "Ha, simpleton! You don't even know that this T-shirt MEANS do you?" 

Yeah, we know you do. ;)

If you like this science tee, be sure to check out hte rest of our geeky apparel!