A solid balloon
Weird idea. I just
had to post it somewhere. Think about it: carbon nanospheres are strong, and light. Can they be vacuum-filled? (I'm wondering if I even can write it like this, but it seems that "vacuum-emptied" reads worse). A sealed vacuum sphere is lighter than a helium filled sphere of the same size. The problem is, of course, the internal vacuum pressure. I don't ahy any idea on what does it take to build a sealed carbon nanosphere. But (and there is always a "but"), if built, such device would allow one to build a
solid balloon.
What use is a solid baloon? Well, I guess that these beasts, besides being geeky, could be useful. Nanospheres could be used to fill arbitrary shape (for example, a flying saucer, or flying pan...) I guess that the volume to weight ratio is better than the one from a similar normal-sized structure, that needs stiff (and heavy) walls.
This is probably one of the weirdest ideas I ever had. But it's neat, and it found it's way into this blog...