วันจันทร์ที่ 17 พฤษภาคม พ.ศ. 2553

Skeptic's Play: Hilbert's Hotel

Let's start with Hilbert's Hotel, the hotel with an infinite number of rooms. More specifically, there is exactly one room for each positive integer (1, 2, 3, 4, ...). Hilbert's Hotel has the interesting property that you can always ...