I found a great page on the howstuffworks site about planet hunting.

http://www.howstuffworks.com/planet-hunting.htm

Have a look. Think how things will have improved by the year 302AI!

Big Mac

PS Check these out they sounds like science fiction!

http://www.howstuffworks.com/floating-city.htm

http://www.howstuffworks.com/personal-jetpack.htm