Thread 'How to define path if we only know velocity (without the need of frequent formulation)?' Hi there! I invented the situation And that i try out to unravel it: Enable we only know velocity of shifting particle: ##v(t)## from ##t=a## to ##t=b##. Photon 'time bins' and sign steadiness present https://gabletoppak.com/sustainable-liquid-soap-packaging-why-gabletop-cartons-are-the-eco-friendly-choice/