http://www.wired.com/gadgetlab/2009/09/t...r-money-budget/
that is great, but check this out:
http://weather.uwyo.edu/polar/balloon_traj.html
use the google earth output for a balloon launched from your house.
that is great, but check this out:
http://weather.uwyo.edu/polar/balloon_traj.html
use the google earth output for a balloon launched from your house.