I remember watching this on TV when I was a kid and it blew my mind.
It is hands-down the best explanation of four dimensions, curved space, and more – all done in Carl Sagan’s trademark awesomeness.
I remember watching this on TV when I was a kid and it blew my mind.
It is hands-down the best explanation of four dimensions, curved space, and more – all done in Carl Sagan’s trademark awesomeness.