李新洲教授谈弦论研究一、弦论为什么吸引了众多的一流学者人类即将跨入２１世纪。乐观的人认为２１世纪的科学技术将会得到前所未有的辉煌成就；悲观的人则声称，人类在下个世纪将陷入前所未有的困境．由生态危机、人口危机、能源危机等组成的综合危机将严重地威胁整个人... Professor Li Xinzhou talk about string theory First, string theory Why attracted many first-class scholars Humanity is about to enter the 21st century. Optimistic people think that science and technology in the 21st century will achieve unprecedented achievements. Pessimists claim that mankind will plunge into unprecedented difficulties in the next century. A comprehensive crisis composed of ecological crisis, population crisis and energy crisis will seriously threaten the entire people ...