Y'gotta love any description of a physics puzzler that includes this:
Hamstrung by their lack of access to guar gum or competitive swimmers, Newton's and Huygens' work was mainly theoretical. Cussler's demonstration shows that Huygens was right, at least for human-sized projectiles.
Got there via a roundabout route, from this Jason Kottke page relaying a Cecil Adams answer to a plane-on-a-conveyor-belt problem.
I'm Jim Biancolo, and this is stuff I found interesting that I thought you might like too. Here are some of my favorites if you want to start there. Mostly I link to other people, but some stuff is mine, like:
I am loving Instapaper, and use if to sock away stuff to read. Here are a bunch of articles I read recently and liked.
Here are the RSS feeds for this site, my Instapaper reading list, and my Instapaper favorites.
"RSS? What in the blazes are you carryin' on about, boy?"