From my friend Jon Mandell comes this link, to an amusing online parlor trick. Can you see how it works?

[No “spoiler” comments, please – you can email me, though, if you like, and I’ll explain.]

Related content from Sphere

One Comment

  1. Kevin Kim says

    I won’t leave a spoiler again, but yes– I’ve seen this one before, too.


    Posted April 27, 2006 at 9:47 am | Permalink