Getting into space is hard, not to mention expensive. Only a few people go every year. What if, instead of rocket propulsion, you could just hop on a space elevator? It sounds far fetched but for 10 ...

The established wisdom seems to be that it's not something we can expect to see any time soon, let alone see receiving a budget allotment. However, there's a few compelling reasons I can think of: So ...

We might not currently have any technology that would make a space elevator viable on Earth. But that doesn’t mean they wouldn’t work on other bodies around the solar system. One of the most ...

Gravity can be a grueling taskmaster. Anyone who’s walked up a dozen flights of stairs knows this. Getting into space is that much harder. It takes hundreds of thousands of pounds of thrust and over ...

A regular traction elevator works by using a strong cable to move the elevator cabin up and down between the floors in a building through 'traction' which means 'pulling' or 'lifting'. There is a ...

As for what's affordable... that's all in the eye of the beholder. The world has spent trillions of dollars on space launches already, with very little to show for it mass-wise. A low-g mass driver ...