Long black desk mat. Centre top, in white: i gamma dot partial psi equals m psi. A faint blue horizon crosses it with one bright star above, and at the bottom left sit six small four-by-four matrices and a line of Dirac’s 1928 notation.The desk mat seen from above under red and blue light, with a black keyboard, a mouse and headphones on it.The desk mat lying flat on a pale marble surface.Close-up of one corner of the mat: a starry black surface and a black stitched edge.

the dirac equation desk mat

$22

16 × 32 in. the equation over a dark horizon, and in the corner the six matrices dirac printed in 1928, the way he laid them out.

size

made to order. usually at your door in about a week (us).