Archive for October, 2006

BL. Eternally diminishing returns

October 30, 2006 · The Mathcast, answers, calculusey stuff, infinity, math puzzles

With enough time and patience and bananas, can we go as far as we please?

 
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BK. Bananas and Rockets

October 25, 2006 · The Mathcast, answers, calculusey stuff, infinity, math puzzles

A classic puzzle reveals why rockets require so much fuel, even for wee payloads.

 
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BJ. The Most Powerful Force

October 11, 2006 · The Mathcast, answers, calculusey stuff, math puzzles

Albert Einstein is often quoted as saying that compound interest is the most powerful force in the universe. He didn’t really say that, but the sentiment is valid. If you compound more and more frequently, is there a limit on the interest one can earn?

 
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BI. The Shape of the Universe

October 1, 2006 · The Mathcast, Topology and geometry, answers, guests

Jeff Weeks, author of “The Shape of Space”, tells us about the hypersphere, the Poincaré conjecture and the topology of the universe!

 
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