BH. The Poincaré Conjecture
Jeff Weeks, author of “The Shape of Space”, discusses the hypersphere and the famous Poincaré Conjecture!
Archive for September, 2006
BG. Bamboopalooza!
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 »
BF. Catching Errors
Credit card numbers have an error catching code, that uses the tricks of the last few weeks.
BE. Trap door encryption
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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