Semi-Daily Journal Archive

The Blogspot archive of the weblog of J. Bradford DeLong, Professor of Economics and Chair of the PEIS major at U.C. Berkeley, a Research Associate of the National Bureau of Economic Research, and former Deputy Assistant Secretary of the U.S. Treasury.

Thursday, January 26, 2006

Strangers Converse in a Berkeley Elevator

Strangers Converse in a Berkeley Elevator:

Person #1: I'm getting into an elevator. I'm about to lose the connection...

Person #2: An elevator is an admirably effective Faraday cage.

Person #3: Somebody should make a cell phone that works inside a Faraday cage.

Person #1: But surely the laws of physics...

Person #4: It could work via gravitational radiation

Person #2: Two charged, mutually orbiting micro black holes within the cell phone casing...

Person #5: Surely the Hawking radiation would be too fierce?

Person #2: I dunno. How long is the lifespan of a 10 kg black hole, anyway?

Person #1: You'd carry around a 50 lb cell phone just so you could talk in elevators?

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