[quote=@Intrepid] Nah... Whiskey. The good stuff. A good understanding of mechanics and physics for one. But other than that, I'm not sure what you're getting at. [/quote] *nods and pulls out a small glass with a spherical glass piece inside, filling it and handing it to you* [quote=@Host] Yes, the surprise. What do you have to think about when building for space travel instead of something like sea travel? [/quote] That is what I am wondering too.