OMG sciencefromwww.scientificamerican.com2 weeks agoMath puzzle: The sum of all circlesThe total circumference of all the circles equals π.
PhilosophyfromBig Think1 month agoZeno's Paradox resolved by physics, not by math aloneZeno's paradox claims motion is impossible by dividing a journey into infinitely many ever-smaller segments, but convergent infinite sums and physics show motion is possible.