Why Do We Do All This?

The space industry has brought us the cameras that are in our camera phones every day. We might be able to use those to help us produce things like oxygen to the astronauts to breathe. If we can learn how to do that, we might one day send humans to Mars. Some of it is human nature. We've always wondered what's around the corner,. over the mountains, over the oceans, up in the sky and so on. It gets people excited by science and technology. So there's loads of reasons we do it and should we do it? Could we do it?" he asks.