Personalized Ohm Mighty Physics Women's Plus Size T-Shirt. Ohm Mighty Physics with ohm mighty in coiled text inside a yellow burst. Tickle the funny bone of your favorite science geek with this design for birthdays, holidays, back to school and graduations for your favorite scientist 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)