This shirt depicts positronium, the exotic atom comprised of an electron and a positron (antimatter electron). Despite a nice graphic design, all attempts to depict quantum states through classical objects (like spheres and rings) are hopelessly incorrect. Still, it's positronium and it rules.
.: 100% Airlume combed and ringspun cotton (fiber content may vary for different colors) .: Light fabric (4.2 oz/yd² (142 g/m²)) .: Retail fit .: Tear away label .: Runs true to size
