Thread 'How To define path if we only know velocity (with out frequent formulation)?' Hi! I invented the situation And that i check out to unravel it: Enable we only know velocity of going particle: ##v(t)## from ##t=a## to ##t=b##. Photon 'time bins' and signal balance show guarantee for simple https://gabletoppak.com/reducing-microplastics-why-gable-top-cartons-are-better-than-plastic-water-bottles/