A Mystery Solved: Why the ‘Sisyphus Stones’ Rise and Tumble – from the NY Times. This sounds like something i would have liked to see. The article is from September, so there’s a good chance that it’s all gone now, but maybe not.
And this reminds me that there have been a few interesting public art installations in NYC recently that I’ve wanted to see. I’ve probably missed a few, since I’m not always that organized about remembering them; I usually see something that sounds interesting, and save a bookmark to it, then forget about it. But there is an Ai Weiwei thing called Good Fences Make Good Neighbors going on right now that’s pretty interesting. It’s also pretty spread out though. (Here’s a link to a map.)