Thread 'How to find path if we only know velocity (without common formulation)?' Hello there! I invented the challenge and I attempt to solve it: Allow we only know velocity of transferring particle: ##v(t)## from ##t=a## to ##t=b##. Photon 'time bins' and signal balance exhibit guarantee for sensible quantum communication https://gabletoppak.com/a-revolutionary-step-towards-sustainable-water-bottle-packaging/