A one-minute explanation that not all infinities are equal. The video shows that the number of real numbers from 0 to 1 is greater than the number of all natural numbers 1, 2, 3, 4, and so on.

If the video is too fast or too short, you can read a more detailed explanation in *Counting the Real Numbers*.

Are all infinities created equal?: A one-minute explanation that not all infinities are equal. The video shows t… http://t.co/gTHDQsVJ