I always enjoy Rhett’s articles. I rarely try to follow the math completely, but good stuff nonetheless. This one is pretty simple physics. I could probably still work out projectile motion problems like this. He often does nifty things with video analysis, although not in this piece. But what really struck me about this particular article was the secondary bits about traffic jams. The last video was cool, demonstrating just how little of a perturbation is needed in order to create a traffic jam of sorts. But the one before it, with Bill Beaty showing how to (help) defeat traffic jams was really awesome. I’ve done similar things in the past, trying to drive at the average speed, but I usually end up getting annoyed or frustrated when others cut in. His is a great reminder to have a Zen attitude about the whole thing. Imagine if everyone drove that non-competitively!! Spread the word!