CSPAN2 In Depth With Neil DeGrasse Tyson September 5, 2017
I think up until well, really, up to the year 1600 when we didnt have any particular tools to investigate the natural world, our five senses were the primary means by which we obtained all information about the universe, and not even knowing that our five senses had limits. If its everything you know you think its everything the universe is trying to give you, but in fact its not. And so around 1600 with the invention of the microscope in one direction and then the telescope in the other direction, each invented wind a decade of one another, all of a sudden pieces of the universe become availa...