{"name":"Wobblestone","short_name":"Wobblestone","start_url":"/","display":"standalone","background_color":"#0a0f16","theme_color":"#0a0f16","description":"Wobblestone: a rattleback (celt, wobble stone) simulated exactly: a rigid body rolling without slipping, with the spin-reversal instability recovered from the simulation itself.","icons":[{"src":"/icon-192.png","sizes":"192x192","type":"image/png"},{"src":"/icon-512.png","sizes":"512x512","type":"image/png"}]}