据英国《每日邮报》网站报道，黑洞一直以来被看作是一种一旦进入就无法逃脱的“永久监狱”，但根据霍金的最新发现，事实并非如此。
著名物理学家史蒂芬·霍金在哈佛大学黑洞倡议的开幕式上发表了最新看法，并提出会特别关注黑洞研究。
霍金在哈佛大学桑德斯剧院发布了有关黑洞的新理论——信息可以通过黑洞放出的辐射粒子进行逃逸，甚至人类也能逃脱。霍金说，根据他的最新发现，黑洞并非只是吞噬物质。除了在星系形成的过程中扮演重要角色外，在经过一段相当漫长的时间后，黑洞也会把一些曾被它吸入的物质信息向外界释放出来。如果你感觉你进入了黑洞，不要放弃，一定有办法可以出来。
为了让听众听得更明白，他还打了一个比方：“这就好比是烧掉一本百科全书后，如果把纸灰完整地留存下来，严格来说没有失去任何信息，但是想要查询具体的条目就会变得非常困难。”
在演讲中，霍金解释了他的新理论：“我认为信息并不像人们预想的一样储存在黑洞内部，而是储存在事件视界。”所谓事件视界，也就是黑洞最外层的边界，经过事件视界的所有物质都会被吸入黑洞。
布法罗大学的物理学教授德扬·斯托伊科维奇表示信息进入黑洞并不是丢了，只是消失了一段时间。他还认为这种信息消失有可能是粒子之间相互转化的结果，这种粒子虽然微小得被大多数科学家忽略不计，但是随着时间的推移，它们不断长大，足以改变事件的结果。
Black holes could be a portal to another universe and are not an 'eternal prison' says Stephen Hawking
Black holes have long been regarded as ‘eternal prisons’ for all that is sucked into their depths.
But according to Stephen Hawking, there may be a way out.
The world renowned theoretical physicist explained these concepts at the inauguration of Harvard’s Black Hole Initiative on Monday, launching the program that will focus specifically on black hole research.
The lecture was held at Harvard’s Sanders Theatre, where Hawking spoke for a crowd of more than 1,000 people.
Hawking is the director of research at the Centre for Theoretical Cosmology at the University of Cambridge in England, and over the past few years has revealed his theories on the ‘lost’ information that gets sucked into black holes.
He suggests this information may be stored in alternate universes, and may not be gone forever as is typically believed.
Through the Black Hole Initiative, Harvard experts will join forces to ‘cultivate a sort of culture of people interested in black holes,’ said Chair of the Harvard Department of Astronomy Avi Loeb, The Harvard Crimson reports.
This will allow faculty along with undergraduate and graduate students to participate in research and workshops on black holes.
In the lecture, Hawking also discussed the recent discovery of gravitational waves.
Revealed in February, the theoretical cosmologist says the breakthrough provided some of the first solid evidence of the existence of black holes, according to The Boston Globe.
‘Black holes aren’t the eternal prisons they were once thought,’ he reminded the audience on Monday.
‘So if you feel you’re in a black hole, don’t give up. There’s a way out.’
The theoretical physicist likened the return of information to a burned encyclopaedia, where information wouldn’t technically be lost, but would be incredibly hard to decipher.
This lecture follows the recent launch of Hawking’s $100m project, a collaboration with Russian billionaire Yuri Milner and Mark Zuckerberg, called Breakthrough Starshot.
The team has designed a project that on tiny so-called 'nanocraft' flying on sails pushed by beams of light through the universe.
They will travel to the Alpha Centauri star system 25 trillion miles (4.37 light years) away on a twenty year mission to look for alien life.
Stephen Hawking isn't the only expert who thinks black holes don't delete the information they 'swallow'.
Dejan Stojkovic, an associate professor of physics at the University at Buffalo believes interactions between particles emitted by black holes could reveal what lies inside them.
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