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引力波的发现意味着什么
2,854,726 plays
|
Allan Adams
|
TED2016
• February 2016
Read transcript
十几亿年前,遥远星系中的两个黑洞陷入了一个漩涡之中,以不可阻挡之势冲向彼此,最终相互碰撞。“所有产生的能量都被注入时间和空间本身,” 理论物理学家艾伦·亚当斯说,“使宇宙以引力波的形式延展。” 大约25年前,一队科学家建造了一个巨大的名为LIGO的激光探测器,以此来搜寻这种只存在于预测之中但还没有被观测到的引力波。在这段不太容易理解的演讲中,亚当斯讲述了2015年9月LIGO探测到了一个非常微弱的异常现象——这是物理学发展史上最为激动人心的发现之一。
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