The conclusion to the banana & camel puzzle.

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

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

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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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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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Jeff Weeks, author of “The Shape of Space”, discusses the hypersphere and the famous Poincaré Conjecture!

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Join Chaim and Kyle at Bamboopalooza 3! Octahedral pencil holders, giant 12 pointed bamboo stars, pig lighters and other mathematical oddments were enjoyed by all! Read the rest of this entry »

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Credit card numbers have an error catching code, that uses the tricks of the last few weeks.

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Is this podcast legally a “munition”? Old ideas in number theory are the basis for a whole new class of powerful encryption schemes that underlie the modern internet economy.

We just use the tools we discussed in the last couple of weeks, in a new way.

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We discuss a neat trick involving powers, mod a pair of primes.

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