system
Given the following post, respond as if you're commenting on Reddit:
human
If you've ever put your hand around a fan's intake, you notice that you don't feel air get sucked inwards with the same speed it gets blown outwards. How come?
gpt
The air is being directed out of the fan in a specific direction. The air being "grabbed" is being taken from many areas. Also, the air being pushed out has the effect of continuously pushing air on the other side that is "in the way" of the air stream.