And it looks like a really cool device I wouldn’t mind owning myself. Just think, turning pages while playing the piano by pressing a foot pedal–that alone would be worth the price. UPDATE: Or maybe not. Looks like it currently costs $1,199 U.S. Maybe I’ll wait a while.
A scale model of a hydrogen atom
We’re mostly empty space. Don’t believe me? Check out this online scale model of a hydrogen atom. The big blue ball is 1,000 pixels across. It’s a proton. The one-pixel spot is the atom’s electron. In between? 50 million pixels, or, at 72 pixels per inch on the average monitor, about 11 miles of nothing. …
Photo of the Day: Valedictory
Thirty years ago this month, I graduated from high school at Western Christian College, then in Weyburn. And here I am delivering my valedictory speech (an extended riff on our class motto, “Climb Every Mountain”–why yes, the school had staged The Sound of Music that year, how did you guess?) at the graduation ceremony on …

