Interesting Hacks To Fascinate People: The MIT Gallery of Hacks.
The word hack at MIT usually refers to a clever, benign,
and "ethical" prank or practical joke, which is both challenging for the perpetrators and amusing to the MIT community (and sometimes even the rest of the world!). Note that this has nothing to do with computer (or phone) hacking (which we call "cracking").
Χρειάζεται να πούμε κάτι παραπάνω;