贝尔实验室建立 70年来几乎一直是美国首屈一指的企业研究机构 ,它曾研究出晶体管、激光器、太阳能电池和第一颗通讯卫星 ,发明了有声电影 ,创立了射电天文学 ,并为“大爆炸”宇宙创生学提供了重要依据。原先有人担心 :贝尔实验室在失去母公司 (美国电话电报公司 )提供的巨大财 Founded almost 70 years ago, Bell Labs is America's premier corporate research agency. It developed transistors, lasers, solar cells and the first communications satellite, invented sound-cinemas, created radio astronomy, and created the "Big Bang Universe Creativity provides an important basis. Someone had previously been worried that Bell Labs was losing huge amounts of money from its parent company (AT & T Corp.)