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电影对时间旅行的错误理解 – 译学馆
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电影对时间旅行的错误理解

Time Travel and Science

时间旅行是科学的一个祈愿
Time travel is a scientific wetdream.
但不管往哪方面解释 电影里的时间旅行理论都是不正确的
But anyway you slice it the movies never quite get the theories right.
在这些搞错了原理的电影中最有名的就是《超人》了
The most glaring example of beingwrong is Superman.
不说那些显然易见的错误
Not to point out the obvious
就说他绕地球飞行 对时间竟然都没有
but spinning the planet doesn’tchange time,
造成一点影响
at all.
任何影响都没有
In any way.
很明显
Obviously.
电影里都没有提超人这样做
Not to mention Superman would give
将给75亿人
seven and a half billion people some serious
带来沉重的打击
whiplash.
我说的打击是指被甩出地球
And by whiplash I mean these whipped off the planet
然后你就会死 听起来不真实但却是事实
and you’d die. No, but, really.
我们在旋转的岩石(地球)上以每小时一千英里的速度移动
We move at a thousand miles an hourjust by existing
如果你突然改变旋转方向
on a spinning rock. If you suddenly
并且保持速度不变
spun it in the other direction atthe same speed.
那我们所有人都会被甩脱[尖叫声]
All of us would just go. [screaming]
《回到未来》
Back to the future.
这个电影让时间旅行
Now this is a movie that actuallymakes the science
看起来似乎有可能成真 停
of how to time travel seemsomewhat plausible. Pause.
倒回去 但是
Rewind. But,
为什么电影中的情形不可能实现呢?
why wouldn’t this work.
这就要说起虫洞了
It’s all dependent on wormholes.
虫洞是一个理论上的入口 可以让你在时空中前进和后退
A theoretical portal to bring you forwards and backwards in space and time.
问题是如果存在虫洞的话 它并不会随意的处在
But the problem is giant wormholesdon’t just exist willy nilly.
某个地方
If at all.
也没有科学证据表明
And there’s no scientific evidence
能够人工制造虫洞
that you can just make one on your own.
大多数理论认为它们无处不在 但比原子还小 所以
At most some theories say that they’re everywhere but smaller than an atom. So.
这意味着布朗博士和他的钚
That means Doc Brown and his plutonium and
以及他的通量电容器必须把一个小虫洞
his flux capacitor have to be able to stretch out a small wormhole
拉伸到能容纳一辆德罗宁的大小
into one big enough for a DeLorean.
通常认为虫洞中包含了强大的重力 而重力
Wormholes are suggested to contain strong forces of gravity and gravity is what
能够扭曲时间并使时间旅行在理论上
warps the time and could theoretically make time travel
成为可能
possible.
但同样的重力也可能使
But that same gravity would alsomake the worm
虫洞坍塌
likely to collapse in on itself.
从理论上讲 虫洞维持的时间得足够长才能让人通过
The only theoretical way to keep it open long enough
而唯一的方法就是用某种方法抵消重力
to pass through would be to negate gravity in some way.
这可以通过使用负能量 反重力之类的来实现
This could be by using something like negative energy, a kind of anti-gravity.
但这些东西的存在性
But most of the scientific community
在科学界饱受争议
still argues about whether or not that even exists.
88英里每小时的速度并不足以
Whether or not 88 miles an hour will be fast
维持虫洞的打开状态
enough to keep a wormhole open is irrelevant.
只有负能量才是博士和马丁要找的解决方法
Negative energy is what would beDoc and Marty’s saving grace.
没有它的话《回到未来》的剧情
Without that back to the future justdoesn’t
就无法实现了
cut it.
虽然如此 但它也不失为一部好电影
It is still such a great movie though.
《星际穿越》可能是最准确的一部影片了
Probably the most accurate film ofthe bunch,
它引用了一个著名的关于时间旅行可行性的
Interstellar draws on a concept thatis known
概念
for the belief of actual timetravel.
即爱因斯坦的相对论
It’s Einstein’s theory ofrelativity.
其称像重力这样的东西可以扭曲时间
Basically it states that things like gravity can warp or distort time.
所以如果你在一个有着极重引力的行星上
So if you on a planet has a heavygravitational
而我在不受引力作用的宇宙飞船上
pull and I’m on a spaceship outside
你所感受到的时间流逝
of that pull, you’ll experience
将比我所感受到的更快
time faster than I would.
你的一小时可能就是
An hour for you might be a day
我的一天
for me.
由这个理论可知
With this theory.
你不能回到过去
You can’t go back in time.
你只能去往未来
You can only go forward.
而且实际上 你也并不是真的到了未来
And really. You’re not even goingforward.
只是你感受到的时间流逝的速度比
You’re just experiencing time at anaccelerated
其他人的更快
rate relative to how everyone else is experiencing it.
这与你个人时间轴上你年龄的多少无关
No matter what school age along your own personal timeline.
其他人也是如此
So would everyone else.
这就是为什么影片中
That’s why in the movie,
约瑟夫·库珀124岁看起来还那么年轻的原因了
Joseph Cooper is 124 years old but still looks fantastic.
这不是最华丽的时间旅行方式
It’s not the most glam form of time travel
也不是真正时间旅行的开始
and isn’t really time travel to begin with but
但它是实现时间旅行的唯一理论基础
it’s the only theory that makes theoretical sense.
时间旅行将永远存在于科学和科幻小说的世界中
Time travel will always straddle the world of science and science fiction.
可能更倾向于《回到未来》和《超人》
Probably more on the side of science fiction
之类的科幻小说世界
in Back to the Future and Superman.
所以在星际穿越成为现实前
So for now, until Interstellar is a reality,
我们就继续在神奇的电影世界中
we just have to keep imagining
畅想时间旅行吧
time travel in the magic of movies.

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时间旅行是否能成为现实呢?

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视频来源

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