We hope this awesome tee will bring you some joy! It features an illustration of radio waves from pulsar CP 1919, from The Cambridge Encyclopaedia of Astronomy. Buying new clothes is one of life\'s little pleasures! This is a sweet t-shirt for fans of science and maths, although whether it will help you do long division is unknown. This is a Pulsar CP 1919 tee, not an officially licensed product. Sustainability Message All 8Ball Originals garments are WRAP certified, REACH compliant and Fair Labor Association accredited. They are printed in UK using Oeka-Tex and GOTS certified water-based inks.