Cool Mechanical Adder
Posted by tpc at January 14th, 2008
See this youtube video. Saw it via Natural Blogarithms.
Recent comments
- Mikael Vejdemo-Johansson: Well, one observation worth making is that it scales. If (a,b,c,d,p) is one solution, then...
- JoseBrox: That joke/made-story about Carroll is indeed funny!
- tpc: No, I don’t think the Australian puts up the daily puzzle on the web. Il’m guessing it’s...
- laogui32: I note some of the Sudoku techniques apply (not surprising since it is another exact cover problem) eg the...
- John: Google beat Yahoo hands down on this one. Yahoo produced nonsense such as “the smelly spicy jiao raccoon...
