Impossible?: Surprising Solutions to Counterintuitive Conundrums
数学史In "Nonplussed ," popular-math writer Julian Havil delighted readers with a mind-boggling array of implausible yet true mathematical paradoxes. Now Havil is back with "Impossible?," another marvelous medley of the utterly confusing, profound, and unbelievable--and all of it mathematically irrefutable.
Whenever Forty-second Street in New York is temporarily closed, traffic doesn't gridlock but flows more smoothly--why is that? Or consider that cities that build new roads can experience dramatic increases in traffic congestion