Thread 'How to find route if we only know velocity (devoid of widespread formulas)?' Hi there! I invented the problem And that i consider to solve it: Enable we only know velocity of transferring particle: ##v(t)## from ##t=a## to ##t=b##. Impression of Glass with the Surroundings Glass is created from https://gabletoppak.com/water-in-a-sustainable-box-the-future-of-eco-friendly-hydration/