The Simple Math Behind Public Key Cryptography
The security system that underlies the internet makes use of a curious fact: You can broadcast part of your encryption to make your information much more secure.
How to Build a Robot That Won’t Take Over the World
The computer scientist Christoph Salge is trying to circumvent the need for rules that guide robots’ behavior. His strategy: Give them a goal of making us more powerful.
The Hunt for the Algorithms That Drive Life on Earth
The biological world is computational at its core, argues computer scientist Leslie Valiant. His “ecorithm” approach uses computational concepts to explore fundamental mysteries of evolution and the mind.
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Major Advance Reveals the Limits of Computation
A major advance reveals deep connections between the classes of problems that computers can—and can’t—possibly do.
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