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With fifth busy beaver, researchers approach computation's limits(quantamagazine.org)
496 points by LegionMammal978 | 127 comments
Quanta Magazine article on how a collaborative team of amateur programmers proved the value of the fifth busy beaver number, BB(5).
Undergraduate shows that searches within hash tables can be much faster(quantamagazine.org)
1175 points by Jhsto | 508 comments
Quanta Magazine article on an undergraduate and colleagues showing hash table searches can be faster than a 40-year-old conjecture held possible.
