Communications of the ACM
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Exploding USB Sticks
In case you don’t have enough to worry about, people are hiding explosives—actual ones—in USB sticks:
In the port city of Guayaquil…
From Computational Complexity
New Upper Bound on R(k). WOW!
R(k) is the least n such that for all 2-colorings of the edges of \(K_n\) there is a monochromatic \(K_k\)(so there are k vertices such that the coloring restricted...
From Computational Complexity
Problems we assume are hard. Are they?
We think SAT is hard because (1) its NPC, and (2) many years of effort have failed to get it into P. Imagine a world where we didn't have the Cook-Levin Theorem...
From Computational Complexity