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 ...

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 ...

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 ...

(via Kyle Hill) It’s hard to believe but space elevators have been theorized about for over a century. The physics are solid and the concept of these megastructures towering above us is so damn cool.

Google is hard at work creating automated home appliances, robots and a space elevators in a secret lab known only as Google X. Google has already used some of its ideas, most notably its ...

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 ...