Sunday, May 28, 2006

Text compression

The property that English text remains readable even if internal letters are rearranged can be exploited for text compression.

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Mobile Email from a Cingular Wireless Customer http://www.cingular.com

Many AES

Consider an exercise of the creation of many AES implementations, as an exercise in crytography and cryptanalysis.

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Mobile Email from a Cingular Wireless Customer http://www.cingular.com

Monday, May 22, 2006

Tall buildings

A diagram of some relevant buildings, already built or perhaps soon to be so.

Nuclear Catenoid?

Why are nuclear cooling towers shaped like catenoids? Sure, it is a minimal surface between two rings, but why that particular minimal surface?

Monday, May 15, 2006

2^25

2^25 has an interesting digit pattern: 33554432