Two brief announcements. First, the coolest new thing on the internet. This is an interactive update to the old powers of 10 video, and the kind of thing you can spend a lot of time trying to get your brain to comprehend. Beautiful, simple, and elegant. Also, a little uncanny. Considering our true proportion in the universe is discomfiting.
A nod of the head to Paul Salomon. Whose great blog, Lost in Recursion, is now in our blogroll. That’s where I found the Scale of the Universe link above, and also a host of thoughtful reflections on education and maddening problems like the one in the photo below: