作者Minilogo ()
看板Translation
标题[英中] 多重宇宙背後的真实科学(2)
时间Mon May 13 01:29:04 2013
So let's cut to the chase:
in physics, the word "Multiverse" normally refers to one of three
distinct and largely unrelated proposed physical models for the
universe - none of which has been tested or confirmed by experiment,
by the way. The three "multiverse" models are: Type 1) Bubble
universes or baby black hole universes. This is the most straightforwrad
kind of multiverse: the basic idea is that perhaps there are other
parts of the universe which are so far away that we will never see
them(or are inside black holes so similarly we will never see them).
This kid of model was created as an attempt to explain why our universe
is so good at making stars and galaxies and black holes and life -- as the
argument goes, if each of these separate mutually un-seeable "bubbles"
in the universe had slightly different laws of physics, then by definition
we could only exist in one that had the right physical laws to allow us
to exist. Like, we have to exist in the universe where the earth can form,
because if the earth couldn't be formed, then we couldn't be here
If you're not convinced by this logic, don't worry to much: there's not
yet any experimental evidence for this multiverse.
那麽直接进入重点: 物理学上"多重宇宙"这个字一般指涉的是三种截然不同，有关
宇宙的物理模型--顺便一提，没有一种经过验证。三种模型分别为: 第一种，泡泡宇宙
或称婴儿黑洞宇宙。这是多重宇宙中最直观的一种: 基本想法是也许存在其他的宇宙，
但它们离我们太远了(或者它们在黑洞里)，导致我们根本看不到。这种说法是为了解释
为什麽我们的宇宙这麽擅於创造天体、银河、黑洞还有生命。随着参数不同，如果每个
互不可见的"泡泡"，它们的物理定律都略有差异，依照定义，我们只在适合我们物理定律
的泡泡里才能生存。像是我们必须存在於地球可形成的宇宙里，因为如果不能的话，我们
就不会在这里了。如果你不相信这个逻辑的话，别太担心，这个理论还没有任何实验证据
呢。
(请问 "as the argument goes" 这句应该是跟前面还是後面那句接在一起。还有虽然
"there are other parts of the universe" 是 "还有宇宙的其他部分"，但我发现
(1)"un-seeable "bubbles" in the universe" 和 (2)"we have to exist in the
universe where the earth can form" 接不起来。直接翻(还有宇宙的其他部分)的话是--
一个宇宙，里面有许多泡泡；但 (2) 说的明显是--许多宇宙，每个宇宙是一个泡泡，这也
跟我找到的资料相符，所以我还是决定这样翻。
资料是
http://en.wikipedia.org/wiki/Multiverse 还有
https://www.youtube.com/watch?v=bxWavzy6-6o#t=13m00s)
Multiverse type 2) Membranes and extra dimensions. Inspired in part by the
inability of the mathematics of string theory to predict the right number
of dimensions for the universe in which we live, string theorists proposed
the idea that perhaps what we think of as our universe is actually just
a three-dimensional surface embedded within a larger super-universe with
9 spatial dimensions. Kind of like how each page of a newspaper is its
own two-dimensional surface embedded within our three-dimensional world.
And of course, if space had 9 dimensions rather than three, there'd be
plenty of space for other three-dimensional surfaces that appeared, like
ours, to be universes in their own right, but, like the pages of a newspaper,
were actually part of a bigger whole. These kinds of surfaces are called
"membranes" or "branes" for short. And as a reminder, there is not yet
any experimental evidence for this kind of multiverse.
第二种，膜宇宙和额外的维度。部分灵感来自於弦论在数学上没办法预测我们所处
宇宙的维度。弦论学家提出也许我们所认知的宇宙，其实是嵌在九维空间的超集宇宙
里的三维表面。有点像是我们的三维世界涵盖了报纸的每一页，而每页又处於自身的
二维表面。当然若空间有九个维度的话，那在其中应该有很多三维表面的空间，看起
来就像我们的宇宙一样。但就像报纸的每一页，我们的空间实际上是更大整体的一部份。
这种表面称做膜。提醒一下，这种多重宇宙也还未有任何实验证据。
(这篇文章我觉得很难翻，错误可能很多，请大家多指教!!)
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 118.165.127.95
1F：→ dunchee:(看样子还是得对照原影片，不然光看文字我（之前那篇）我 05/13 22:13
3F：→ dunchee:(等等) -- bubble 外的也是"universe(的一部份)"。换句话 05/13 22:14
4F：→ dunchee:说，他是用同一个字(universe)，但是有两种意义（如果要按 05/13 22:14
5F：→ dunchee:照你的逻辑来说/来分的话）: 05/13 22:14
6F：→ dunchee:1. "整个的"universe(就想像是整个照片范围都是) 05/13 22:14
7F：→ dunchee:2. 个别bubble里头(or black hole里头)的个别universe 05/13 22:14
9F：→ dunchee:因为"bubble"的界线代表的是我们无法"观察到"的界线. "观 05/13 22:15
10F：→ dunchee:察"的一个意义是用我们所处的这个宇宙里头的各种基本物理 05/13 22:15
11F：→ dunchee:上的粒子/作用力/波..."光"...来观察的话，那些"基本粒子/ 05/13 22:17
12F：→ dunchee:..."也无法到达的界线 -- 换句话说，这范围之外的"地方"有 05/13 22:17
13F：→ dunchee:可能有其它不同的粒子/作用力...(因为无法靠我们这宇宙里 05/13 22:18
14F：→ dunchee:头的基本粒子/作用力/波.."光".."观察到"，所以无从得知， 05/13 22:18
15F：→ dunchee:也因为无从得知所以才说"有可能") 05/13 22:18
16F：推 l10nel:回原po: as the argument goes 前的短 hyphen (-) 应该改为 05/14 04:44
17F：→ l10nel:em dash，作用在带起新的扩大说明或释义用的句子，改成冒号 05/14 04:46
18F：→ l10nel:(:)功能一样，所以as the argument goes修饰逗号後的if句， 05/14 04:47
19F：→ l10nel:大意：这个「Bubble Universes模型」的论点是这样的：如果 05/14 04:50
20F：→ l10nel:每个独立、互不可见的泡泡…… 05/14 04:50
21F：推 l10nel:打字时若无法打出一个em dash,用两个连续hyphen(--)代替之 05/14 04:58
22F：→ Minilogo:谢谢dunchee你的图和解说~我一直纠结在宇宙的范围，看来 05/14 14:03
23F：→ Minilogo:是你说的那样。我中文还是用一种逻辑讲再保留英文对照。 05/14 14:05
24F：→ Minilogo:谢谢l10nel提醒 我马上修正!(应该是L1OneL1吧= =好像...) 05/14 14:08
※ 编辑: Minilogo 来自: 1.171.48.104 (05/14 14:14)