Ranging from the unimaginably small to the unimaginably big, the scale of the universe is mind-boggling. Watch to try to wrap your head around it. Produced by Alex Kuzoian. Follow BI Video ...

Or, as Neil put it: “If a single atom was the size of a human being ... point followed by 34 zeros to write out. At that scale, Neil explained, the inherent randomness and uncertainty of the universe ...