New top story on Hacker News: Ask HN: Do I place the fan so that it blows air inwards or outwards?

Ask HN: Do I place the fan so that it blows air inwards or outwards?
17 by optimmal | 9 comments on Hacker News.
I am positive that there's a huge difference between the theoretical model and reality here. Let's assume it's 30 celsius inside the room and <20 celsius outside. Enjoy your Monday my thermodynamics friends!