This short program animates a series of ASCII tubes in your screen. That's all it does, stop looking for big meanings in things!
ANSI C compile suite, POSIX compatible system (like Linux), ncurses lib
The program has no parameters, just run it and stop it forcefully. To change some settings edit config.h.
Now with tube crossing disabled:
You can configure the number of colors/tubes:
The window is also resizeable:
You can also control how likely the tubes are of changing direction and some other things.