On November 25th, 1915, Einstein published his greatest work: general relativity. The theory transformed our understanding of nature's laws and the entire history of the cosmos, reaching back to the origin of time itself. Now, in celebrati超时空要塞on of the 100th anniversary of Einstein's achievement, NOVA tells the inside story of Einstein&am叶罗丽第九个仙子是谁p;#39;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's labs and observatories. Discover the simple but powerful ideas at the heart of relativity, illuminating the theory-and Einstein's brilliance-as never before. From the first spark of an idea to the discovery of the expanding 狄仁杰第三部universe, the Big Bang, black holes, and dark energy, NOVA uncovers the inspired insights and brilliant breakthroughs of "the perfect theory."