0维到无穷维全解析：宇宙里到底藏着几种"维度"？硬核科普
字幕摘录
| 时间 | 英文 | 中文 |
|---|---|---|
| 0:00 | Only one dimension has vanished from reality, depth. | 只有一个维度从现实中消失了 深度 |
| 0:05 | Your body has become absolutely flat. | 你的身体变得非常平坦 |
| 0:08 | You can't turn around and your blood has stopped flowing | 你不能转身 你的血液已经停止流动 |
| 0:11 | because your veins no longer have volume. | 因为你的血管已经没有体积了 |
| 0:14 | But these are minor details compared to what awaits you | 但与你等待的相比 这些是小细节 |
| 0:17 | in the fourth, fifth, and seventh dimensions. | 第四、第五和第七维度。 |
| 0:20 | Today, we'll drag your body from the zeroth dimension | 今天,我们将拖动你的身体 从零维 |
| 0:24 | to the seventh, where the human brain simply shuts down. | 到第七, 在那里人类的大脑只是关闭。 |
| 0:34 | One important note before we go further, | 在我们更进一步之前,有一点很重要 |
| 0:36 | the higher we climb, the more we'll use dimensions | 我们爬得越高,我们就越用维度 |
展开字幕全文（265 条）
| 序号 | 英文 | 中文 |
|---|---|---|
| 1 | Only one dimension has vanished from reality, depth. | 只有一个维度从现实中消失了 深度 |
| 2 | Your body has become absolutely flat. | 你的身体变得非常平坦 |
| 3 | You can't turn around and your blood has stopped flowing | 你不能转身 你的血液已经停止流动 |
| 4 | because your veins no longer have volume. | 因为你的血管已经没有体积了 |
| 5 | But these are minor details compared to what awaits you | 但与你等待的相比 这些是小细节 |
| 6 | in the fourth, fifth, and seventh dimensions. | 第四、第五和第七维度。 |
| 7 | Today, we'll drag your body from the zeroth dimension | 今天,我们将拖动你的身体 从零维 |
| 8 | to the seventh, where the human brain simply shuts down. | 到第七, 在那里人类的大脑只是关闭。 |
| 9 | One important note before we go further, | 在我们更进一步之前,有一点很重要 |
| 10 | the higher we climb, the more we'll use dimensions | 我们爬得越高,我们就越用维度 |
| 11 | as a metaphor to visualize levels of reality | 作为视觉现实水平的比喻 |
| 12 | that we cannot see directly. | 我们不能直接看到。 |
| 13 | But first, the basics. | 但是,首先,基础。 |
| 14 | What exactly is a dimension? | 什么是维度? |
| 15 | Forget about portals and magical realms. | 忘记传送门和魔法世界 |
| 16 | In the simplest sense, a dimension | 在最简单的意义上,一个维度 |
| 17 | is an independent direction or a degree of freedom | 独立方向或自由程度 |
| 18 | used to define an object's position. | 用于定义对象的位置。 |
| 19 | René Descartes gave us a convenient language for this | 勒内·笛卡尔给我们一个方便的语言 |
| 20 | in the 17th century through the coordinate system. | 在17世纪 通过坐标系统。 |
| 21 | When we fall to the very bottom into the zeroth dimension, | 当我们跌到最底层进入0维时, |
| 22 | you have exactly zero directions to move. | 你完全没有方向可走 |
| 23 | If we forcefully squeeze a body into the zeroth dimension, | 如果我们强力挤压一个身体 进入零维, |
| 24 | no shape remains, only a coordinate, | 没有遗迹,只有坐标, |
| 25 | a mathematical point with no size. | 无大小的数学点。 |
| 26 | In such a world, there's no space to move. | 在这样的世界里,没有移动的空间. |
| 27 | And the very idea of moving loses its meaning, | 而移动的想法 失去了它的意义, |
| 28 | absolute claustrophobia. | 绝对是幽闭恐惧症 |
| 29 | You seemingly exist, but to the rest of the universe, | 你似乎存在 但对于宇宙的其余部分 |
| 30 | you simply don't exist. | 你根本不存在 |
| 31 | Let's take a step up to the first dimension. | 让我们一步到第一个维度。 |
| 32 | We are granted exactly one degree of freedom. | 我们获得完全一种程度的自由。 |
| 33 | You become an infinitely thin line. | 你变成了无限的细线。 |
| 34 | Now you have length, and you can only move forward | 现在你有长度,你只能向前 |
| 35 | or backward, and that's it. | 或落后,就是这样。 |
| 36 | You can't turn around or bypass an obstacle. | 不能转身或绕过障碍物. |
| 37 | If someone else appears on this axis in front of you, | 如果有人出现在你面前的轴上 |
| 38 | you are simply stuck forever. | 你被永远困住。 |
| 39 | The concepts of up or sideways simply don't exist here. | 这里根本不存在上边或侧边的概念。 |
| 40 | You aren't just stuck on a line. | 你不只是卡在一条线上。 |
| 41 | You have become a creature for whom any obstacle | 你变成一个生物 对于任何障碍 |
| 42 | is the end of the universe. | 是宇宙的终结 |
| 43 | We take this line and stretch it at a 90 degree angle. | 我们用这条线 以90度的角度拉伸它 |
| 44 | Welcome to the second dimension, the plane. | 欢迎来到第二个维度,飞机 |
| 45 | You now have length and width. | 你现在有长度和宽度。 |
| 46 | Your entire world looks like a drawing on a piece of paper. | 你的世界就像一张纸上的画 |
| 47 | But the most interesting part here | 但这里最有趣的部分 |
| 48 | is how you perceive this world. | 你对这个世界的看法 |
| 49 | In 1884, mathematician Edwin A. Abbott | 1884年,数学家埃德温·A·阿博特(Edwin A. |
| 50 | gave us a useful way to picture this. | 给了我们一个有用的方法 来想象这一点。 |
| 51 | For simplicity's sake, remember this main rule. | 为了简单起见,请记住这个主要规则. |
| 52 | A creature usually perceives the world | 生物通常会感知世界 |
| 53 | through projections and cross sections, | 通过预测和跨部门, |
| 54 | one dimension lower than itself. | 一个比自己低的维度。 |
| 55 | If a 2D character on paper looks at a drawn circle, | 如果纸上的2D字符看一个画出的圆形, |
| 56 | they won't see a circle. | 他们不会看到一个圆。 |
| 57 | Imagine putting your right eye | 试想用右眼看 |
| 58 | at the level of a table surface | 平面水平 |
| 59 | and looking at a coin lying flat from the side. | 看着硬币从侧面平躺着 |
| 60 | You won't see a round shape. | 你看不到圆形的 |
| 61 | You will see merely a flat horizontal line. | 你会看到平坦的横向线 |
| 62 | In a flat world, absolutely everything looks like | 在一个平坦的世界, 绝对的一切看起来像 |
| 63 | line segments of varying lengths. | 长度不同的线段。 |
| 64 | To understand that what lies ahead | 理解未来 |
| 65 | is indeed a circle and not a square, | 确是圆的,不是圆的, |
| 66 | a flat creature would have to physically | 一个平坦的生物必须身体上 |
| 67 | walk around its perimeter. | 绕着四周走 |
| 68 | Only then could it understand the object's true shape. | 只有这样,它才能理解物体的真实形状. |
| 69 | If this 2D character draws a square house around itself, | 如果这个2D字符 画一个方形房子周围自己, |
| 70 | it will be absolutely safe from other flat beings. | 它绝对是安全的 从其他平坦生物。 |
| 71 | To them, it has disappeared behind a wall. | 对他们来说,它已经消失在墙后。 |
| 72 | But we, beings from a 3D world, | 但我们,来自3D世界的生物, |
| 73 | look at this piece of paper from above. | 看看这个上面的纸 |
| 74 | We see everything simultaneously, | 我们同时看到一切 |
| 75 | the walls of the flat house and the character inside it. | 平房的墙壁和里面的人物 |
| 76 | We can simply lower a finger from our third dimension | 我们可以从第三个维度低一点手指 |
| 77 | and touch the character without breaking the walls. | 和触摸角色 不打破墙壁。 |
| 78 | Your house might be a fortress against your neighbors, | 你的房子可能是一个堡垒 针对你的邻居, |
| 79 | but it's an open box to a being from above. | 但它是一个打开的盒子 从上面一个生物。 |
| 80 | Keep this paradox in mind. | 记住这个悖论。 |
| 81 | We'll need it shortly. | 我们很快需要它。 |
| 82 | Let's pull this plane upward at a 90 degree angle. | 让我们把飞机拉向90度角度 |
| 83 | Enter our cozy three-dimensional world. | 进入我们舒适的三维世界. |
| 84 | 物理学家Paul Ehrenfest证明: | |
| 85 | if there were more than three spatial dimensions, | 如果有三个以上的空间维度, |
| 86 | the familiar laws of gravity would change so drastically | 熟悉的重力定律会发生如此巨大的变化 |
| 87 | that stable planetary orbits and atoms | 稳定行星轨道和原子 |
| 88 | would become impossible. | 这是不可能的。 |
| 89 | Here, depth appears. | 在这里,出现了深度。 |
| 90 | But due to that very rule of vision, | 但由于这种视觉规则, |
| 91 | we live in a total illusion. | 我们生活在一个完全幻想中。 |
| 92 | Strictly speaking, our eyes do not receive | 严格地说,我们的眼睛没有得到 |
| 93 | a ready-made 3D picture. | 一个现成的3D图片。 |
| 94 | A flat 2D image falls onto the retina | 平面2D图像落在视网膜上 |
| 95 | and the brain reconstructs the sensation of depth using cues, | 大脑用提示重建深度的感觉, |
| 96 | the disparity between our eyes, perspective and shadows. | 我们的眼睛、视角和阴影之间的差别。 |
| 97 | You see a closed safe, but you don't see what's inside. | 你看到一个封闭的保险箱,但你看不到里面的东西。 |
| 98 | Look at your monitor. | 看看你的监视器。 |
| 99 | You can't see what's behind it until you walk around it. | 周匝不见其后. |
| 100 | In a 3D world, we only see the outer shells of things. | 在一个3D世界里,我们只看到事物的外壳. |
| 101 | To see the inside, we must break the shape. | 要看到里面,我们必须打破形状。 |
| 102 | And now, let's step into the fourth dimension. | 现在 让我们进入第四维 |
| 103 | We add another coordinate, | 我们增加另一个坐标, |
| 104 | independent of the three spatial ones. | 独立于三个空间。 |
| 105 | We can't display it on a screen as a normal direction, | 我们不能把它显示在屏幕上 作为一个正常的方向, |
| 106 | but in physics, time often plays the role of this coordinate. | 但在物理学中,时间往往发挥这种坐标的作用. |
| 107 | In 1908, Herman Minkowski proposed viewing space and time | 1908年,赫尔曼·明科斯基提出观看空间和时间 |
| 108 | as a single unified structure. | 作为单一的统一结构. |
| 109 | In 4D, time ceases to be an abstract flow. | 在4D中,时间不再是抽象流. |
| 110 | The easiest way to grasp this | 最容易掌握这一点的方法 |
| 111 | is through the timeline and video editing software. | 是通过时间线和视频编辑软件。 |
| 112 | The viewer watches the video frame by frame | 观众按帧观看视频帧 |
| 113 | while the creator sees the whole strip of the video | 创作者看到整个视频 |
| 114 | laid out on the screen at once. | 立刻放上银幕 |
| 115 | A 4D being looks at our three dimensional universe | 4D在看我们的三维宇宙 |
| 116 | exactly the same way we looked at that flat piece of paper. | 和我们看那张平整的纸一样 |
| 117 | It sees everything all at once. | 其一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一二二二二二一二二二二二二二二二三,一切一二二二二二一二一二二二二二二二二二二二二三,二二二二二二二二二二二二二二二二,二二二二二二二二二二 |
| 118 | If a 4D being can interact with different segments of time, | 如果4D能与不同时间段相互作用, |
| 119 | it doesn't need to break open the safe today. | 今天不需要打开保险箱 |
| 120 | It simply reaches back to the moment yesterday | 它只是回到昨天的时刻 |
| 121 | when the door was open. | 当门是打开的。 |
| 122 | To you trapped in the now, | 对于你被困在现在 |
| 123 | the object will simply vanish from the locked safe. | 物体会从锁紧的保险箱消失 |
| 124 | So what happens to your body? | 你的身体会怎样? |
| 125 | You're no longer a human living life second by second. | 你不再是人类的第二代生命 |
| 126 | Since time is now a physical direction, | 由于时间现在是物理方向, |
| 127 | your body is permanently stretched along it. | 你的身体是永久的伸展 沿着它。 |
| 128 | Imagine a giant continuous space-time worm | 想象一个巨大的连续的时空蠕虫 |
| 129 | made up of millions of your copies. | 由你数百万份的拷贝组成 |
| 130 | At one end of this structure is a baby being born. | 这种结构的一端是婴儿诞生. |
| 131 | Further along, this long body rise through space. | 更进一步地说,这个漫长的机构通过空间上升。 |
| 132 | Here it is walking to school. | 在这里,它走到学校。 |
| 133 | Here it is sitting on a chair right now. | 它现在坐在椅子上。 |
| 134 | And finally, it ends as an old person | 最后,以老人的身份结束 |
| 135 | taking their last breath. | 他们最后一口气。 |
| 136 | In 4D, there's no past or future. | 在4D中,没有过去和将来. |
| 137 | There is no movement. | 没有动静 |
| 138 | There's only this giant frozen monolith of your life | 你生命中只有一块冰冻的巨石 |
| 139 | from beginning to end. | 从头到尾 |
| 140 | To a four-dimensional being, | 对于一个四维的生物, |
| 141 | your life is not a story. | 你的生活不是一个故事。 |
| 142 | It is an object. | 这是一个物体。 |
| 143 | But the 4D monolith is just one rigidly fixed line. | 但4D单片只是一条僵硬固定的线. |
| 144 | Let's take a step into the fifth dimension. | 举一步入第五维. |
| 145 | And here we transition from strict geometry | 在这里,我们从严格的几何学过渡 |
| 146 | into a convenient pop-sci metaphor. | 变成一个方便的流行西语比喻。 |
| 147 | What could the next direction be after time? | 下一个方向是什么时候? |
| 148 | Possibility. | 可能的话 |
| 149 | The axis of alternative outcomes. | 替代结果的轴心。 |
| 150 | In quantum mechanics, | 在量子力学方面 |
| 151 | this is Hugh Everett's many-worlds interpretation. | 这是休·埃弗雷特对世界的诠释 |
| 152 | In 4D, you had only one destiny. | 在4D,你只有一个命运。 |
| 153 | But if we imagine every event and every choice | 但是如果我们想象每一个事件和选择 |
| 154 | as a crossroads, | 作为十字路口, |
| 155 | then in the fifth dimension, | 然后在第五维度, |
| 156 | your temporal worm splits in two | 时间虫分裂成两个 |
| 157 | at the moment of every outcome, | 在每一结果的时刻, |
| 158 | then again and again. | 然后一次又一次。 |
| 159 | Your body in 5D turns into a colossal | 5D体型变大 |
| 160 | infinitely branching fractal. | 无限的分形。 |
| 161 | A massive tree, as it were. | 一棵巨大的树,就像它。 |
| 162 | A perfect example of how this feels | 完美的例子 如何感觉 |
| 163 | 是电子游戏The Alters, | |
| 164 | where every new clone at the base is you, | 基地的每个新克隆人都是你 |
| 165 | having taken an alternate branch. | 取了另一个分支。 |
| 166 | Or the massive narrative flowcharts in games | 或游戏中巨大的叙事流程图 |
| 167 | like Detroit Become Human. | 就像底特律变成人类一样 |
| 168 | Here, the branch where you become a millionaire, | 在这里,你成为百万富翁的分支, |
| 169 | the branch where you're never born at all, | 你从未出生的树枝 |
| 170 | and the branch where you're watching this video right now, | 还有你现在看这个视频的分店 |
| 171 | all exist simultaneously. | 它们同时存在。 |
| 172 | For a five-dimensional being, | 对于一个五维存在, |
| 173 | there's no concept of fate or inevitability. | 没有命运和必然性的概念. |
| 174 | It sees this entire fractal of your lives | 它看见你一生的分形 |
| 175 | as a single whole. | 是一个整体。 |
| 176 | You're no longer one person. | 你不再是一个人了 |
| 177 | You're an entire forest | 你是整个森林 |
| 178 | of all the people you could have become. | 你本可以成为所有的人 |
| 179 | Moreover, to it, | 而且,对于它, |
| 180 | these alternate realities are not separate worlds. | 这些交替的现实不是独立的世界。 |
| 181 | They are simply different directions in space. | 它们只是空间的不同方向。 |
| 182 | But even this infinite fractal of lives | 但即使是生命的无限分裂 |
| 183 | is constrained by the laws of our physics. | 受到物理规律的限制 |
| 184 | So we collapse your entire giant tree of probabilities | 所以我们砸碎你那棵大树的概率 |
| 185 | back into a single point | 返回到单个点 |
| 186 | and pull another perpendicular axis out of it. | 并拉出另一个垂直轴。 |
| 187 | Welcome to the sixth dimension. | 欢迎来到第六维 |
| 188 | In some versions of string theory, | 在弦理论的一些版本中, |
| 189 | entire landscapes of possible universes emerge. | 整个可能宇宙的地貌出现 |
| 190 | For this video, we can picture it as the next level, | 对于这段视频, 我们可以想象它作为下一个关卡, |
| 191 | no longer different destinies within the same physics, | 不再不同的命运 在同一个物理, |
| 192 | but entirely different physics altogether. | 但完全不一样的物理。 |
| 193 | Here lie universes | 这里躺着宇宙 |
| 194 | with completely different fundamental constants, | 有着完全不同的基本常数, |
| 195 | worlds where gravity is a thousand times stronger, | 引力比地球强一千倍的世界 |
| 196 | worlds where the speed of light is different, | 光速不同的世界, |
| 197 | and worlds where atoms fundamentally cannot bond together. | 以及原子根本无法结合的世界 |
| 198 | And at this stage, | 而在这个阶段, |
| 199 | the concept of anatomy simply loses its meaning. | 解剖学的概念只是失去了它的意义。 |
| 200 | A body is only possible where the right laws exist, | 只有在有正确的法律存在的情况下,一个机构才有可能 |
| 201 | such as the right chemistry, stable bonds, | 比如正确的化学,稳定的结合, |
| 202 | and enough time for processes to unfold. | 并有足够的时间展开进程。 |
| 203 | In the sixth dimension, nothing is left of your body. | 在第六维中,你的身体一无所有. |
| 204 | You're no longer human. | 你不再是人类了 |
| 205 | You're no longer a branching worm. | 你不再是树枝虫了 |
| 206 | You become pure information, | 你变成纯洁的信息, |
| 207 | an abstract mathematical structure | 一个抽象的数学结构 |
| 208 | that links the concept of your existence | 连接您存在的概念 |
| 209 | across all possible variants of physical laws. | 包括所有可能的物理法变体。 |
| 210 | To reach the seventh dimension, | 为达到第七维度, |
| 211 | we take this entire infinite network of 60 universes | 我们把这个由60个宇宙组成的无限网络 |
| 212 | with different laws of physics, | 有不同的物理定律, |
| 213 | collapse it into a single point, and we stop. | 把它折叠成一个点 然后我们停下来 |
| 214 | The seventh dimension in this scenario | 本设想中的第七方面 |
| 215 | is no longer a specific physical axis, | 不再是特定的物理轴, |
| 216 | but a final metaphor, | 但有一个比喻, |
| 217 | the space of all logically possible realities. | 在逻辑上所有可能现实的空间。 |
| 218 | Let me say that again, | 让我再说一遍, |
| 219 | the space of all logical possible realities. | 所有逻辑可能现实的空间。 |
| 220 | In the seventh dimension, | 在第七维中, |
| 221 | the very concept of existence or an event loses its meaning. | 存在或事件的概念本身就失去了意义。 |
| 222 | This space contains absolutely everything simultaneously. | 这个空间绝对包含一切 同时。 |
| 223 | All possible variants of universes, | 所有可能的宇宙变体, |
| 224 | all conceivable and inconceivable laws of physics, | 所有可以想象和无法想象的物理定律, |
| 225 | all timelines from the beginning to the end of time. | 所有从开始到结束的时间。 |
| 226 | There is no action here. | 这里没有行动。 |
| 227 | Action requires change, and change requires familiar time. | 行动需要改变,改变需要熟悉的时间。 |
| 228 | But in 7D, nothing is created. | 但在7D中,没有创造出任何东西. |
| 229 | How you doing? | 你好吗? |
| 230 | You know what? | 你知道吗? |
| 231 | I'm in the middle of recording. | I录中. |
| 232 | Can I call you back in a few minutes? | 等会再打给你好吗? |
| 233 | Okay, bye. | 好吧,再见。 |
| 234 | But in 7D, nothing is created and nothing disappears | 但是在7D里,什么也没有创造出来,什么也没有消失 |
| 235 | because everything that could logically exist | 因为一切可以逻辑存在 |
| 236 | is already permanently locked into this structure. | 已永久锁定此结构。 |
| 237 | It's not a process. | 这不是一个过程。 |
| 238 | It's an absolute infinite frozen map of everything. | 绝对是无穷无尽的冰冻地图 |
| 239 | It's not just a library of books. | 不只是图书图书馆 |
| 240 | It is a library of all possible alphabets, | 这是一个包含所有可能字母的图书馆, |
| 241 | all languages, all stories, and all laws | 所有语言、所有故事和所有法律 |
| 242 | by which those stories could be written. | 写这些故事 |
| 243 | So why don't we go further? | 那么我们为什么不更进一步呢? |
| 244 | Because at this stage, human logic reaches its limit. | 因为在这个阶段,人类的逻辑达到了极限. |
| 245 | The mathematics of string theory allow us | 弦理论的数学让我们 |
| 246 | to calculate the eighth, tenth, and eleventh dimensions, | 计算第八、第十和第十维, |
| 247 | but there, these axes represent | 但在那里,这些斧头代表 |
| 248 | microscopic curled up spaces. | 微缩的卷曲空间。 |
| 249 | Describing them in macroscopic terms | 从宏观角度描述它们 |
| 250 | is physically impossible. | 物理上是不可能实现的。 |
| 251 | Our brains evolved to hide from predators | 我们的大脑进化为躲避掠食者 |
| 252 | in a three-dimensional world, | 在三维世界, |
| 253 | not to comprehend absolute infinity. | 不理解绝对的无限。 |
| 254 | So let's come back, exhale, and look around. | 所以,让我们回来,呼气,看看周围。 |
| 255 | The walls of your room are solid again. | 你房间的墙又坚固了 |
| 256 | Your time moves only forward, | 你的时间只是向前走 |
| 257 | and everything inside the closed safe or behind your back | 和所有在封闭的保险箱里或背后的东西 |
| 258 | remains a mystery to you | 对你来说仍然是个谜 |
| 259 | because you only see the flat 2D shell of things. | 因为你只看到平坦的2D外壳 |
| 260 | We live in a very narrow, limited, | 我们生活在一个非常狭窄,有限的, |
| 261 | but perfectly balanced geometric incubator. | 但完全平衡的几何孵化器。 |
| 262 | Enjoy this 3D illusion. | 享受这个3D幻觉吧 |
| 263 | And before your temporal worm reaches its end, | 在你的时间蠕虫到尽头之前 |
| 264 | subscribe to the channel. | 订阅频道. |
| 265 | See you next time. | 下次见 |
该视频共有字幕 265 条。解锁更多字幕为会员功能，请移动到 价格