2018-06-04 14:05 thomas.godart "Why Does Time Exist at All?" TED Talk by Sean Carroll Distant Time and the Hint of a Multiverse | Sean Carroll | English Subtitles play_circle_filled YouTube https://youtu.be/tqn73A5Csi0 labelSean-Carroll check_box_outline_blank labeltime check_box_outline_blank labelscience check_box