12:50
PBS Space Time
The Doomsday Argument
A simple statistical argument tells us that the doom of our species is much, much closer.
Is Time Travel Impossible?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
Is Time Travel Impossible?
Season 5 Episode 37 | 12m 33s | CC
Time travel stories are cool because both the past and future are somehow more interesting that the present and because everyone wants a redo. But so far it appears we’re doomed to live consumed by regret in the eternal, boring present. Time marches on, inexorably and only forward. Or so we thought until Einstein came along.
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