by Erik Demaine. Take a piece of paper, fold it into any flat origami, and make one complete straight cut (i.e., a cut along a line). Now unfold the pieces, and see what you get. Are all shapes possible? Refering back to the original sheet of paper, what patterns of cuts can be achieved by this process?
Eine Miniatur Zusammenfassung/Vorstellung der wichtigen Begriffe, Zitate und Bücher der Informationswissenschaft. Wie zum Beispiel die Begriffe recall und precision oder das Zitat und Buch von Harold Borko.
Zelda's Axiom: Whenever somebody tells you about "the five ancient talismans" or "the nine legendary crystals" or whatever, you can be quite confident that Saving the World will require you to go out and find every last one of them.