p 　　On November 二五th, 一九一五, Einstein published his greatest work: general relativity The theory transformed our understanding of nature 三九 s laws and the entire history of the cosmos, reaching back to the origin of time itself Now, in celebration of the 一00th anniversary of Einstein 三九 s achievement, NOVA tells the inside story of Einstein 三九 s masterpiece The story begins with the intuitive thought experiments that set Einstein off on his quest and traces the revolution in cosmology that is still playing out in today 三九 s labs and observatories Discover the simple but powerful ideas at the heart of relativity, illuminating the theory-and Einstein 三九 s brilliance-as never before From the first spark of an idea to the discovery of the expanding universe, the Big Bang, black holes, and dark energy, NOVA uncovers the inspired insights and brilliant breakthroughs of quot the perfect theory quot p