Facts that will interest those who fly on airplanes -science included

[Robert W]

How long would you last were a helicopter drop you off at the top of Mt. Everest? Why do airplanes fly so high? Some of this we do not think about normally. If you watch all of the video, what surprised you most?

 

[The Irish Ram]

If cell phone signals are horizontal leaving the plane, and the towers are set downward to pick up signals on the ground, then how well do cell phones work on a plane, if at all?

 

[toobfreak]

How long would you last were a helicopter drop you off at the top of Mt. Everest?

I was close, I guessed 5 minutes.

Why do airplanes fly so high?

No surprises there.

 

[Robert W]

If cell phone signals are horizontal leaving the plane, and the towers are set downward to pick up signals on the ground, then how well do cell phones work on a plane, if at all?

Cell phone use is discussed on the video. Key elements of your comment is the word IF, And, then your question. My mind conceives towers on land that are not over the oceans unless they are on satellites.