Unisex organic cotton t-shirt = Mathematicians Love Surprise Pi (& pie?) Size:2XL This design references the ESA's

This design references the ESA's Mark McCaughrean's definition of happiness

Similarly in the bottom heart the text reads “BUTT REALLY I AM MORE COMPLEX”

but not cavities in microwave ovens

• 85% organic cotton

and heat to ensure that your laptop sleeve looks good everyday

Unisex organic cotton t-shirt = Mathematicians Love Surprise Pi (& pie?) Size:2XL This design references the ESA'sDESIGN BACKSTORY Pi elegantly, if irrationally, describes the ratio of a circles diameter to its circumference. However mathematicians love pi (and maybe pie) because it turns up in many unexpected places of analysis and use, sometimes resulting in a surprise, if not an e pi phany or transcendental experience. Find out more here. Made from 100% organic ring spun cotton, this is a high quality, super comfy and eco friendly unisex t shirt 100% organic