S1E80 - Space Elevators, Skyhooks, and Space Fountains

What is the fastest, cheapest and possibly worst way to get into space?

Could a nuclear explosion launch a manhole cover beyond the Earth’s atmosphere?

And could space elevators, skyhooks or launch loops one day replace rockets?

In this episode, Professor Hannah Fry and Michael Stevens (VSauce) explore where space really begins, why orbit means falling forever, and how Newton’s cannon explains the motion of the International Space Station.

They also interrogate the physics of the Kármán...