A paper by Don Page claimed to use the longest finite time ever calculated by a physicist - it's the time it will take the Universe to reset itself!?! Video featuring Tony Padilla from the University of Nottingham. Read the paper at http://arxiv.org/abs/hep-th/9411193 Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Videos by Brady Haran