我们用核武器轰炸一个城市时会发生什么?

最后更新于:2020 八月 15日 , 星期六 , 00:19 凌晨

出处:What if We Nuke a City? - YouTube 视频加载不出就看字幕吧。

动画效果做得不错👌

机翻中文

在视频中”玩“ 核武器很有趣。
炸毁东西有一种内心的喜悦,
对事物的迷恋 例如火球,冲击波和辐射。
虽然它确实有令我们具有破坏性,
这却不是理解核爆炸真正影响的最好方式。
这不是关于TNT的城市栈,也不是关于爆炸的亮度。核武器与您有关。
所以我们已经与红十字会合作 和红新月运动
探索如果今天在一线城市引爆核武器会发生什么。

不是核战争,只是一场爆炸。
我们的故事始于 在大城市的市中心。
人们去上班,学习考试,迷失在思想和日常生活中。

就在这里,核武器被引爆 和时间冻结。
爆炸的第一阶段发生了 在不到一秒钟的时间内。
在一毫秒内,一个比太阳还热的等离子球出现,并在火球中生长到超过2公里的距离。
在这个球中,每个人都消失了。
想想滴在热平底锅上的水。
一阵嘶嘶声,然后什么也没有。
大多数建筑物,汽车,树木, 俗气的雕塑和人…
…全部蒸发。

首先,是闪光灯:瞬间,强烈的海啸席卷了整个城市。
如果您碰巧面向爆炸的方向,
它会使您失明数小时。
这些光的热量产生一个热脉冲,
如此炽热而炎热,它燃烧的一切都距引爆点仅13公里。
这意味着在500平方公里的区域中所有能够燃烧的东西都开始燃烧。
塑料,木材,织物,头发和皮肤。
如果您碰巧接触到热脉冲,那么一会儿,您就在上班的路上,
下一刻,你着火了。

现在第二阶段开始。
它在几秒钟内发生。
现在大多数人会首先注意到 出事了
但是对于成千上万的人来说已经为时已晚。
闪光灯之后是冲击波。
火球的热量和辐射在其周围形成过热和超压缩空气的气泡
现在正在爆炸式增长。
比音速快
产生比飓风和龙卷风强的风。
人造基础设施是无法与之抗衡的。
火球一公里范围内的大多数主要建筑物都直落地面。
只有钢筋混凝土才能 部分抵抗压力。
在周围的公园里,退休人员喂鸭子,
树木变黑并在高温下闷烧一秒钟,然后像牙签一样snap啪作响。
如果你在外面,就会被扔掉 就像龙卷风中的尘埃一样。
冲击波随着向外传播而减弱
但是仍然有大约175平方公里的房屋像卡片一样倒塌,
诱捕成千上万的人 谁都没时间反应
加油站爆炸并蔓延 整个废墟。
由火球,灰尘和灰烬制成的蘑菇云
在接下来的几分钟内,它向天空升起数公里,并在这座废墟上的城市上投下了阴影。
这猛烈地吸入了城市周围的新鲜空气,
摧毁更多建筑物并提供 大量的氧气。
这取决于城市,接下来会发生什么。
如果有足够的燃料,火灾可能会变成一场大火,烧毁瓦砾,每个人都被困在瓦砾中
人们试图逃离这场灾难。
距爆炸不超过21公里,像您一样的人赶着窗户拍摄蘑菇云的照片,
没有意识到冲击波仍在向他们袭来,
即将粉碎他们的窗户并创造 一阵锋利的玻璃暴风雪。

第三阶段在接下来的几小时和几天内开始。
我们已经习惯了帮助会来的想法, 不管灾难如何
这次是不同的:核爆炸就像一次自然灾害一样。
有成千上万的重伤者:
撕裂伤,骨头骨折,严重烧伤。
在接下来的几分钟和几小时内,将有数千人因这些伤害而死亡。
无数人被困在倒塌的建筑物中,例如地震或被闪光灯挡住,
在爆炸波中失聪,无法逃离瓦砾和碎屑无法进入的街道。
他们感到恐惧,困惑,不知道发生了什么或为什么。
最有可能的是,许多医院和所有其他建筑物都被夷为平地
大多数医疗专业人员都死了或受伤,
与其他人一起。
幸存者幸好曾经在地铁隧道中或站在正确的地方被烧毁和安稳
尚未真正摆脱危害。
根据武器类型,爆炸地点甚至天气情况,
可能开始下黑雨
放射性灰烬降落在城市上,覆盖了所有人。
无形的,恶意的,无声的恐怖 辐射轮到了。
每次呼吸都会将毒药带到幸存者的肺部。

在接下来的几天里,受到最高辐射剂量照射的人们将死亡。
不会有帮助,甚至不会有几个小时甚至几天。
文明在以下情况不起作用 基础设施完全崩溃。
道路被封锁,火车轨道弯曲,跑道被碎石堆砌。
没有水,没有电,
没有沟通,没有商店来补充物资。
来自周围城市的帮助将很难进入灾区
即使能够做到,放射性污染也会使它变得太危险了。
发生核袭击后,您就一个人了。
因此,人们一点一点地走出废墟,
被放射性尘埃污染,携带的东西可能很少。
他们缓慢,痛苦,受到创伤,而且都立即需要食物,水和医疗救助。
当大火燃烧并清除烟雾时,核武器造成的损害并没有结束。
邻近城市的医院设备不足,无法应付如此大规模的灾难
数以万计的重伤患者不知所措。

在接下来的几周,几个月和几年里,
许多幸存者会死于白血病等癌症。
没有政府希望您考虑所有这一切的原因是因为对核爆炸没有可能采取严肃的人道主义对策。
没有办法真正帮助直接的核袭击受害者。
这不是飓风,野火,地震或核事故。
这是所有这些事情,但是更糟。
地球上没有任何国家准备应对它。
在过去的几年里世界发生了变化,世界领导人再次
明确和公开地以核武器相互威胁。

许多专家认为,核打击的危险比几十年来更高。
政府告诉他们的公民,拥有核武器是一件好事,
但是当别人得到它们时,这是不好的。
为了保护我们的安全,有必要以大规模破坏威胁他人。
但这会让您感到安全吗?
只需要一小撮人就能发疯或流氓,一小步失误或简单的误会
造成灾难性的灾难。
在视频里谈论爆炸很有趣。
在现实生活中的爆炸 不会那么有趣。
虽然有解决方案!
消除所有核武器 并誓言再也不会建立它们。

2017年,全世界几乎有2/3的国家/地区,
在数百个民间社会组织和国际红十字与红新月运动的支持下
同意禁止和消除核武器。
这与谁拥有核武器,谁没有核武器无关。武器本身就是问题。
它们是不道德的,对我们所有人都构成生存威胁。
无论您来自哪个国家/地区,无论您站在哪个政治的哪一段,
我们需要要求它们永远消失。
没有压力就不会发生这种情况。
如果您想成为这种压力的一部分,您个人可以做一些事情:
请访问 notonukes.org ,以了解有关核武器的更多信息以及您可以如何做。

英文字幕

Playing around with nuclear weapons in videos is fun.
There’s a visceral joy in blowing things up,
and a horrifying fascination with things like fireballs, shockwaves, and radiation.
And while it does help put our destructive power in perspective,
it’s not the best way of understanding the real impact of a nuclear explosion.
This isn’t about silly stacks of TNT, or about how bright an explosion is. Nuclear weapons are about you.
So we’ve partnered with the Red Cross and Red Crescent movement
to explore what would really happen if a nuclear weapon were detonated in a major city today.
Not nuclear war, just one explosion.
Kurzgesagt Intro Music
We begin our story in the middle of downtown in a major city.
People are going to work, studying for exams, are lost in their thoughts and daily lives.
Right here a nuclear weapon is detonated and time freezes.
The first phase of the explosion happens within less than a second.
In a millisecond, a ball of plasma hotter than the Sun appears and grows in a fireball to more than 2 kilometres across.
Within this ball, everyone is just gone.
Think of water dripped on to a very hot pan.
A sizzle, and then there’s nothing.
Most buildings, cars, trees, tacky sculptures and people…
… all evaporated.
First, the flash: an intense tsunami of light washes over the city in an instant.
If you happen to have your head pointed in the direction of the explosion,
it renders you blind for a few hours.
The heat of this light produces a thermal pulse,
so energetic and hot that it just burns everything as far as 13 kilometres from the detonation site.
What this means is that everything in an area of 500 square kilometres that is able to burn, starts burning.
Plastic, wood, fabric, hair, and skin.
If you happen to be in reach of the thermal pulse, one moment, you’re on your way to work,
the next moment, you’re on fire.
Now the second phase begins.
It happens in a few seconds.
Most people will now first notice that something is wrong,
but it’s already too late for hundreds of thousands.
The flash is followed by the shockwave.
The heat and radiation of the fireball create a bubble of superheated and super-compressed air around it
that’s now expanding explosively.
Faster than the speed of sound,
creating winds stronger than hurricanes and tornadoes.
Human infrastructure is no match for its power.
Most major buildings within a kilometre of the fireball are just ground up down to their base.
Only steel reinforced concrete is able to partially resist the pressure.
In the surrounding parks where retirees feed the ducks,
trees blackened and smoldering from the heat a second before snap like toothpicks.
If you’re outside, you get tossed away like a grain of dust in a tornado.
The shockwave weakens as it travels outwards
but still, about 175 square kilometres of houses collapse like they’re made of cards,
trapping tens of thousands of people who didn’t have any time to react.
Gas stations explode and fire spread throughout the rubble.
A mushroom cloud made from the remains of the fireball, dust and ash
rises kilometres into the sky in the next few minutes and casts a dark shadow over the ruined city.
This violently pulls in fresh air surrounding the city,
destroying more buildings and providing an abundance of oxygen.
It depends on the city what happens next.
If there’s enough fuel, fires may turn into a firestorm that burns the rubble, everybody trapped in it
and people trying to flee the devastation.
Up to 21 kilometres from the explosion, people just like you rush to their windows to take pictures of the mushroom cloud,
unaware that the shockwave is still coming at them,
about to shatter their windows and create a blizzard of sharp glass.
The third phase begins in the coming hours and days.
We’re used to the idea that help will come, no matter the disaster.
This time is different: a nuclear explosion is like every natural disaster at once.
There are hundreds of thousands or millions of people with serious injuries:
lacerations, broken bones, serious burns.
In the next few minutes and hours, thousands more will die because of these injuries.
Countless people are trapped in collapsed buildings like in earthquakes or blinded by the flash,
deaf from the blast wave and unable to flee through streets impassable with rubble and debris.
They’re terrified, confused, and don’t know what’s happened to them or why.
Most likely, many hospitals have been leveled along with all the other buildings
and most medical professionals are either dead or injured,
along with everyone else.
The survivors lucky enough to have been in metro tunnels or standing in the right place to be unburned and unhurt
won’t have truly escaped harm yet.
Depending on the type of weapon, where it explodes and even the weather,
an awful black rain can begin,
with radioactive ash and dust descending on the city, covering everything and everyone.
The invisible, malicious, silent horror of radiation takes its turn.
Every breath carries poison to the lungs of the survivors.
Over the coming days, the people who receive the highest doses of radiation exposure will die.
There will be no help, not for hours or maybe even days.
Civilisation doesn’t operate when there is a total breakdown of infrastructure.
Roads are blocked, train tracks warped, runways cluttered with rubble.
No water, no electricity,
no communication, no stores to replenish supplies from.
Help from surrounding cities will have a hard time entering the disaster zone
and even if they can, the radioactive contamination will make it risky to get too close.
After a nuclear attack, you’re on your own.
So, bit by bit, people emerge from the rubble on foot,
contaminated with radioactive fallout, carrying what little they may have left.
They are slow, in pain, traumatized, and they all need food, water and medical treatment fast.
And the damage done by a nuclear weapon doesn’t end when the fires burn out and the smoke clears.
The hospitals in the neighboring cities are under-equipped for a disaster of this scale
and overwhelmed with tens or hundreds of thousands of patients with serious injuries.
In the weeks, months and years to come,
many of those who survived will succumb to cancers like leukemia.
The reason no government wants you to think about all this is because there is no serious humanitarian response possible to a nuclear explosion.
There’s no way to really help the immediate victims of a nuclear attack.
This is not a hurricane, wildfire or earthquake or nuclear accident.
It is all of these things at once, but worse.
No nation on earth is prepared to deal with it.
The world has changed in the past few years, with world leaders again
explicitly and publicly threatening each other with nuclear weapons.
Many experts think the danger of a nuclear strike is higher than it has been in decades.
Governments tell their citizens that it’s good that we have nuclear weapons,
but it’s bad when anyone else gets them.
That it’s somehow necessary to threaten others with mass destruction to keep us safe.
But does this make you feel safe?
It only takes a small group of people with power to go crazy or rogue, a small misstep or a simple misunderstanding
to unleash a catastrophe of unimaginable proportions.
Exploding stuff in videos is fun.
Exploding things in real life, not so much.
There is a solution though!
Eliminating all nuclear weapons and vowing never to build them again.
In 2017, almost 2/3 of all the world’s countries,
supported by hundreds of civil society organizations and the International Red Cross and Red Crescent movement
agreed to prohibit and eliminate nuclear weapons.
It’s not about who has nuclear weapons and who doesn’t. The weapons themselves are the problem.
They are deeply immoral and an existential threat to all of us.
No matter what country you come from, no matter what political side you find yourself on,
we need to demand that they disappear forever.
This will not happen without pressure.
If you want to be part of this pressure, there are things you personally can do too:
Visit notonukes.org to learn more about nuclear weapons and what you can do about them.


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