Balloon Rises News Today

Which makes it different from other — i mean, balloons arent new, but balloons usually, as you say, are powered by helium, they are fired up, they involve inputs of energy. your balloon involves only trapping air and then using the suns natural power to warm that air and the balloon rises. yeah, absolutely. now, thats kind of interesting, basically very simple and interesting, but im wondering what... your message seems to be, "we can all learn very "practical things from this," but what can w...