Cloth called paper currency that is manufactured to represent value as 3rd party transfers so people don't have to trade perisable goods for services. Can't eat metal, wood, glass so currency is the arbitrary value used as the social go between in the general population of a country and people calling themselves citizens of ideology.
It was your constant videos that got you suspended before and I see you haven't changed your methodology on bit. tick tock. Einstein was an educated idiot that took the glory from what others achieved using his relative time theory **** backing up social consensus life cannot be self evident genetics sustains eternal separation of ancestors alive daily here.