For identical quantum channels, order matters

Physicists have demonstrated that using two quantum channels in different orders can enhance a communication network's ability to transmit information—even, counterintuitively, when the channels are identical. This result ...

Quantum communication through synergy

( -- 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 ...

On the Net: College too expensive? Try YouTube

(AP) -- It might seem counterintuitive to look for higher education alongside Avril Lavigne music videos, but the video-sharing site has become a major reservoir of college content.

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