在线词典,在线翻译

独一无二的我们

所属:听力板块 来源:普特英语听力 阅读:3341 次 评论:0 条 [我要评论]  [+我要收藏]

小编摘要:这个世界上我们每个人都是独一无二的奇迹,都是自然界最伟大的造化,长得完全一样的人以前没有,现在没有,将来也不会有。

Lithic Principle

I heard recently that if  the laws of nature were changed even a little bit, there would be no people in the universe. Is this true?
Well, it’s certainly true that if the fundamentalconstants of nature were somehow changed, we wouldn’t be here. For example, if gravity were just a little stronger than it is, planets would crash into their stars, so people would never have had a place to evolve.
If the forces that bind together subatomic particles were just a little weaker, there would be a lot of hydrogen floating around, but no atoms, no molecules, and again, no life. You can do this kind of mental exercise with all the fundamentalconstants.
Is this telling us something? Scientists and philosophers who think so are subscribing to what’s called the “Anthropic Principle”–the suggestion that nature is exactly the way it is in order that it will eventually create us.
The great scientist and popularizer Carl Sagan made fun of the Anthropic Principle by proposing what he jokingly called the “Lithic Principle.” If any of the laws of nature were changed just a little bit, he points out, there would also be no rocks. Therefore, the most important thing in the universe must be rocks!
Even scientists are human beings, and we’d like to think that we are so special that the whole universe is here for us. It’s a cool idea. But Carl Sagan didn’t think that was science at all–just good old-fashioned human vanity.

我最近听说如果自然法则稍稍改变一些,宇宙就不会有人类的存在。真是这样吗?
这当然是真的,如果自然基本常数改变了,我们将不复存在。例如,万有引力大于现在的,行星就会和恒心相撞,人类也没有地方进化。
如果亚原子粒子间的吸引力再弱一点,氢原子就会悬浮不定,也就没有了原子分子,生命也不存在了。你还可以做类似的基本常数推算。
这说明什么呢?科学家和哲学家认为这些可以归结为“人择原理”: 正是大自然这样地演化才最终创造出人类。
伟大的科学普及家卡尔•萨根就戏称“人择原理”而提出“岩屑”法则并指出:如果自然法则稍稍改变一些,就不会有岩石。因此,宇宙中至关重要的是岩石。
甚至科学家也是人,我们可以认为自己是独特的,因为全宇宙为了我们而存在。多棒呀!但是,卡尔•萨根并不认为和科学相关,而是人类由来已久的吹嘘。
 

标签:听力文摘
2
2011-09-08 20:27 编辑:pliny
分享到:
关注海词微博:
发表评论:
表达一些您的想法吧!已有0条评论>>
登录,再发表评论
文明上网,理性发言!
您可能还感兴趣的文章:
  • [听力板块]利刃特别在何处

    大家都知道锋利的刀刃的切割性能胜过钝刀,但您知道确切原因吗?刀刃的作用就是把人们用在刀把上的力集中起来。
  • [听力板块]岩石怎么会出现在你的花园?

    我好奇有多少人在刚刚过去的春天修整了花园,准备大干一场,自以为去年早已清理干净了所有石块。看看花园角落里那一大堆战利品!现在所有石块肯定都被清理出来了。
>>精华推荐阅读
热门评论文章