https://www.bbc.co.uk/iplayer/episode/b0bb33ht/horizon-2018-3-how-to-build-a-time-machine Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how to subvert them than we do now. And every day, science does learn more. In this film Horizon meets the scientists working on the cutting edge of discov...
Explores Mike Tyson's rise as a boxing champion, his personal struggles including incarceration, substance abuse, and controversies, and his eventual redemption looking at his polarizing life through the lens of his growth and maturity.
After losing his brother, a young man sets off on a motorcycle through the Himalayas, seeking a cure for his broken heart but finding something far more unexpected. Higher Calling is a journey through grief, over mountains, and into the soul. This is a st
简介：https://www.bbc.co.uk/iplayer/episode/b0bb33ht/horizon-2018-3-how-to-build-a-time-machine Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how to subvert them than we do now. And every day, science does learn more. In this film Horizon meets the scientists working on the cutting edge of discov...
