04w36:1 Alice and Bob

by timothy. 0 Comments

Good Reads Mailing List | 2004 week 36 number 1 (Alice and Bob)


Teleportation goes long distance | Paul Rincon
“Researchers from the University of Vienna and the Austrian Academy of Science used an 800m-long optical fibre fed through a public sewer system tunnel to connect labs on opposite sides of the River Danube. The link establishes a channel between the labs, dubbed Alice and Bob. This enables the properties, or ‘quantum states’, of light particles to be transferred between the sender (Alice) and the receiver (Bob). In the computers of tomorrow, this information would form the qubits (the quantum form of the digital bits 1 and 0) of data processing through the machines. “

The Story of Alice and Bob | John Gordon
“Against all odds, over a noisy telephone line, tapped by the tax authorities and the secret police, Alice will happily attempt, with someone she doesn’t trust, whom she can’t hear clearly, and who is probably someone else, to fiddle her tax return and to organise a cout d’etat, while at the same time minimising the cost of the phone call. A coding theorist is someone who doesn’t think Alice is crazy.”

Alice and Bob | wordiq.com
“Alice and Bob are common archetypal ‘characters’ used in explanations in fields such as cryptography and physics. The names are used for convenience, since explanations such as ‘Person A wants to send a message to person B’ rapidly become difficult to follow. The names are also said to be politically correct, since they are from both sexes, and were chosen only because of the alphabetical order.”

Chapter 1, Bits | MIT Open Course Ware: Information and Entropy, Spring 2003
“How is information quantified? Consider a situation that could have any of several possible outcomes. An example might be flipping a coin (2 outcomes, heads or tails) or selecting a card from a deck of playing cards (52 possible outcomes). How compactly could one person (by convention usually named Alice) tell another person (Bob) this outcome?” NOTE: links to a PDF file, 144K

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emailed by Timothy on Tuesday 31 August 2004 @ 10:40 PM

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