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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.
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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.
A mathematical proof shows that some quantum states can resist nature’s tendency to disorder – but only under very specific conditions
Mathematician Tom Crawford explains what P versus NP means – and what makes the problem so fiendishly difficult to solve