So im at the North Pole (or South Pole), which ive marked with a flag – my GPS tells me the direction of London, so then i scrape in the snow the line of the Greenwich meridian. then i walk 10 feet from the pole, with my toe behind the meridian (standing ‘West’ of the [...]

Continue reading about If i stand at North Pole and walk clockwise i could pass the meridian every few mins, am i time travelling?