Thread 'How to define path if we only know velocity (with no common formulation)?' Hi there! I invented the condition and I check out to resolve it: Enable we only know velocity of relocating particle: ##v(t)## from ##t=a## to ##t=b##. Photon 'time bins' and sign stability display promise for useful https://gabletoppak.com/india-emerges-as-the-largest-plastic-polluter-globally/