Monthly Archives: October 2013

“Gravity”

I’ve been a delinquent spacecraft engineer, and didn’t see “Gravity” until today. In short: it was awesome. It’s a tremendous story about courage, fear, perseverance, the human spirit, our ability to solve the most insurmountable problems, and triumph in the face … Continue reading

Posted in Science Fiction, Space, Wow | 6 Comments

Orbiting magnetic balloons

I recently got the following question: Let’s say I have a 500kg balloon floating in the stratosphere at fixed altitude with solar cells collecting 10kw from the sun, then my computation shows that if this energy can be converted to … Continue reading

Posted in Concepts, Space | 9 Comments