If you've ever read in any old time science fiction, you probably encountered a lot of stories where the characters took off vertically in a rocket ship, and later landed in the same rocket ship, vertically. Vertical take off and landing (VTOL) is an old dream. But it's turned out to be brutally difficult in … Continue reading Project Morpheus test flights
I finally watched the movie Gravity last night. Despite a number of flaws, I enjoyed it immensely. I think it sets a new standard for movies set in space (at least I hope it does). The visuals were stunning and the story had me on the edge of my seat. I now really regret not … Continue reading Gravity: a review
What’s the illusion, you ask? Those two vertical lozenge-shapes are the same shade! Don’t believe me? Good! It’s always best to check things like this out for yourself. One way is to put your finger across the middle, blocking the part where they meet. When you do that, boom! You can see they’re the same … Continue reading Optical illusion: Shades of grey.