Such a fun paper led by the amazing @roopekaaronen.net. We find that spinning tops are to be found, well, basically everywhere in the deep past. Perhaps this is because the spinning top is one of the most basic technologies that can defy our intuitions about physics - a fun/surprise generator!
Did you know that the spinning top is one of the most common forms of traditional play worldwide? Our research found tops to be nearly universal across human cultures. Wherever you come from, your ancestors probably spun tops. New preprint: Top of the World osf.io/preprints/so... Thread: