Posted by Alana T.
Sadly, there aren't many math books that are as absorbing as the previous physics selection, but following are a few gems to keep the brain cells active:
You can't beat Tom and Ray (both MIT grads!) at Car Talk for humour. But wait!, their weekly puzzler is often mathmatical (and tricky). Visit the CarTalk website for vintage puzzlers.
Wired magazine has a DIY page that contains an extensive list of projects. Many are electronics based, but that's only a short step away from basic physics. If you (or the kids) have moved beyond reassembling toasters, browse this site for some interesting projects. Also, the June 2012 issue contained a hefty selection of projects for the geek dad (and kids).