IBM's 'Watson' to take on Jeopardy! champs

Nearly 15 years after an IBM machine defeated world chess champion Garry Kasparov, the US computer pioneer is rolling out another device to challenge mankind.

Quantum communication through synergy

(PhysOrg.com) -- When most people think of quantum communication, they think in terms of private communication channels - the ability to send messages without a third-party deciphering them. Indeed, quantum cryptography represents ...

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