Victory Over N.Y.C. Traffic
We have a brave, principled winner in the Lab contest to improve traffic in New York City
View ArticleMonday Puzzle: Avoiding the Impossible
Sometimes there are ways to tell if a problem is impossible, just by reasoning about it. Here are where the emphasis is not on solving the puzzle but determining whether a solution is possible or...
View ArticleMonday Puzzle: Let the Martin Gardner Celebrations Continue!
Last week's puzzles from Martin Gardner produced such a profusion of goodwill that we've decided to continue the celebrations of his 95th birthday with more of his puzzles.
View ArticleMonday Puzzle: Getting Something From Nothing
I've found the secret of making unlimited money with a simple scheme and generate unlimited energy with my new invention, the papaya battery. Both these are based on the successful application of one...
View ArticleMonday Puzzle: Birdbath
Will the bird slide over and land in the water, or will it stay dry? What will the final position of the moon be?
View ArticleDoes Obama Have the Right Stuff for Space?
Where humans be going in space, and how should we get there?
View ArticleMonday Puzzle: Thank You, John
From next week, the Monday Puzzle moves to a new home in a new section of the online Times, under the title "Numberplay." It is time, then, to take a stroll down memory lane...
View ArticleFinal Report from the Lab
After three years of experiments, TierneyLab is shutting down.
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