xkcd #2805: Global Atmospheric Circulation ( imgs.xkcd.com ) Title text: Refs generally say that you can exercise enough altitude control to avoid the ground, but if you start strategically choosing air layers to steer yourself, that’s traveling....
Disturbs the cat's sleep ( i.imgflip.com )
xkcd #2805: Global Atmospheric Circulation ( imgs.xkcd.com )
Title text: Refs generally say that you can exercise enough altitude control to avoid the ground, but if you start strategically choosing air layers to steer yourself, that’s traveling....