用大白话讲复杂日常，越看越上头
字幕摘录
| 时间 | 英文 | 中文 |
|---|---|---|
| 0:00 | How does Wi-Fi actually work? | Wi-Fi实际上如何工作? |
| 0:01 | Wi-Fi sends tiny waves to the air, kind of like radio but faster. | Wi-Fi向空中发出微小的波浪,有点像无线电,但速度更快. |
| 0:05 | Your router takes internet stuff, like videos or messages, turns it into ones and zeros, | 你的路由器接收互联网上的东西,比如视频或消息, 把它变成1和0, |
| 0:09 | and blasts it out using these waves. | 然后用这些波浪把它炸掉 |
| 0:11 | Your phone catches those waves, reads the ones and zeros, | 你的手机接住了波浪 读了1和0 |
| 0:14 | and turns them into cat videos. | 把它们变成猫的视频 |
| 0:16 | Magic? | 魔术? |
| 0:16 | Kind of. | 有点 |
| 0:17 | Your phone doesn't just listen, it talks back, | 你的电话不只是听, 它说话回, |
| 0:19 | like play the next video, open that app, it sends its own waves back to the router. | 就像播放下一个视频,打开那个应用, 它发送自己的波回路由器。 |
展开字幕全文（252 条）
| 序号 | 英文 | 中文 |
|---|---|---|
| 1 | How does Wi-Fi actually work? | Wi-Fi实际上如何工作? |
| 2 | Wi-Fi sends tiny waves to the air, kind of like radio but faster. | Wi-Fi向空中发出微小的波浪,有点像无线电,但速度更快. |
| 3 | Your router takes internet stuff, like videos or messages, turns it into ones and zeros, | 你的路由器接收互联网上的东西,比如视频或消息, 把它变成1和0, |
| 4 | and blasts it out using these waves. | 然后用这些波浪把它炸掉 |
| 5 | Your phone catches those waves, reads the ones and zeros, | 你的手机接住了波浪 读了1和0 |
| 6 | and turns them into cat videos. | 把它们变成猫的视频 |
| 7 | Magic? | 魔术? |
| 8 | Kind of. | 有点 |
| 9 | Your phone doesn't just listen, it talks back, | 你的电话不只是听, 它说话回, |
| 10 | like play the next video, open that app, it sends its own waves back to the router. | 就像播放下一个视频,打开那个应用, 它发送自己的波回路由器。 |
| 11 | So it's like a | 这就像一个 |
| 12 | super fast conversation happening billions of times per second. | 超快的对话每秒发生数十亿次 |
| 13 | You may be wondering how your | 你可能会在想 你怎么样 |
| 14 | and the router don't get confused with all the other phones and routers. | 而路由器不会与所有其他电话和路由器混淆. |
| 15 | I'll explain. | 我会解释的 |
| 16 | Simple. | 简单 |
| 17 | Channels. | 频道. |
| 18 | Your Wi-Fi picks a lane, and theirs picks a different one. | 你的无线网选一条车道 他们选的是另一条车道 |
| 19 | Newer Wi-Fi is even smarter. | 更新的Wi-Fi更聪明. |
| 20 | It focuses signals straight at your phone, like a laser. | 它像激光一样直指你的手机 |
| 21 | Pew pew! | 皮尔! |
| 22 | Can people steal your Wi-Fi? | 有人能偷你的无线吗? |
| 23 | Not really, because it's locked with a secret code. | 不是真的,因为它的锁 一个秘密密码。 |
| 24 | Only your phone and router know the password, | 只有你的电话和路由器知道密码 |
| 25 | so anyone else just hears scrambled noise. | 所以其他人只是听到声响 |
| 26 | 这是Wi-Fi。 | |
| 27 | Invisible waves that carry memes, | 隐形的波带迷因, |
| 28 | videos, and your search history through the air. | 视频,还有你的搜索历史 通过空气。 |
| 29 | Now you know. | 现在你知道了。 |
| 30 | How do credit cards work? | 信用卡如何运作? |
| 31 | Credit cards are weird. | 信用卡很诡异 |
| 32 | You just swipe a piece of plastic, | 你只是刷一块塑料, |
| 33 | and boom. | 和繁荣。 |
| 34 | You just bought a $7 iced coffee using money you don't have. | 你刚用你没有的钱买了七块冰咖啡 |
| 35 | How is that possible? | 这怎么可能? |
| 36 | Well a credit card is basically saying, hey bank, spot me $7 real quick. | 嗯,信用卡基本上是说, 嘿,银行, 发现我7美元真正的快。 |
| 37 | I swear I'll pay you back. | 我发誓我会还你的 |
| 38 | And the bank's like, okay, but if you don't, I'm charging you interest and maybe your soul. | 银行就像,好吧,但如果你不这样做, 我收取你利息,也许你的灵魂。 |
| 39 | You're not spending your money. | 你没有花你的钱。 |
| 40 | You're borrowing the bank's money and paying it back later. | 你借银行的钱 以后还钱 |
| 41 | When you tap, swipe, or insert the card, your card sends your card number plus | 点击、刷卡或插入卡片时,卡片会发出卡片号码加 |
| 42 | secret chip info to the store's payment system. | 秘密芯片信息 商店的支付系统。 |
| 43 | The store says, hey bank, is this person good | 店里说,嘿,银行,这个人好 |
| 44 | for $7? | 七块? |
| 45 | The bank checks your account and says, yep, send it through. | 银行检查你的账户,说,是啊,送过去。 |
| 46 | Or, nope, decline. | 或者,没有,下降。 |
| 47 | Shame | 惭愧 |
| 48 | them publicly. | 他们公开。 |
| 49 | At the end of the month, your bank sends you a bill for everything you borrowed. | 月底,你的银行给你发账单 你借的一切。 |
| 50 | If you pay it all back, no problem. | 如果你把钱都还回来,没问题 |
| 51 | If you don't, you pay interest. | 若无则付息. |
| 52 | Which is basically a crazy tax | 这基本上是个疯狂的税 |
| 53 | for not paying on time. | 因为没有按时支付。 |
| 54 | The longer you wait, the more you owe. | 等得越久,欠的越多. |
| 55 | Like a financial snowball | 像一个金融雪球 |
| 56 | that only rolls downhill. | 只会下坡 |
| 57 | Fast. | 快点 |
| 58 | Some cards give you rewards, like points, cash back, | 有些牌给你奖励 比如分数 现金 |
| 59 | or airline miles. | 或飞行里程。 |
| 60 | Cool, right? | 酷,对不对? |
| 61 | Except if you forget to pay and get charged interest, | 除非你忘了支付和收取利息 |
| 62 | you just spent $500 in airline points to buy a $6 granola bar. | 你刚刚花了500美元在航空公司 买一个6美元的加仑拉酒吧。 |
| 63 | So, yeah. | 对 |
| 64 | Credit cards are like | 信用卡一样 |
| 65 | magical rectangles that buy stuff now, make you pay later, and charge you if you mess up. | 神奇的矩形 现在买东西, 让你支付以后, |
| 66 | Use it | 用这个 |
| 67 | right equals good credit score. | 右等于良好的信用分数。 |
| 68 | Use it wrong equals you owe Visa your kidney. | 用错等于你欠维萨的肾脏 |
| 69 | Why are people | 为什么是人 |
| 70 | left-handed? | 左手吗? |
| 71 | Only about 10% of people are left-handed, but why? | 只有大约10%的人是左撇子,但为什么? |
| 72 | Your brain has two halves, | 你的大脑有两半 |
| 73 | left and right. | 左右两胁. |
| 74 | And get this, the left side of your brain controls the right side of your | 你脑部左侧控制着右侧 |
| 75 | body. | 躯体。 |
| 76 | And the right side controls the left. | 而右侧控制左侧. |
| 77 | In most people, the left brain is the boss, | 在大多数人中 左脑是老大 |
| 78 | so they end up right-handed. | 于是他们成了右撇子 |
| 79 | But in lefties, the right brain is a little louder, so the left hand | 但左手,右脑大一点 所以左手 |
| 80 | gets the spotlight. | 获得聚光灯。 |
| 81 | That's it. | 就这样 |
| 82 | How do planes stay in the air? | 飞机怎么留在空中? |
| 83 | Okay, so planes are metal sky whales | 好,飞机是金属天鲸 |
| 84 | that weigh hundreds of thousands of pounds, and they just float? | 重数十万磅,他们只是漂浮? |
| 85 | You're telling me a flying tube | 你是说飞管? |
| 86 | full of people, luggage, and tiny pretzels doesn't fall straight out of the sky. | 满是人,行李,还有细小的脆饼,不会从天而降. |
| 87 | Let's unpack. | 我们收拾行李吧 |
| 88 | Planes wings use something called lift, which is a fancy science word for air pushing you up harder | 机翼用一种叫升降机的 一种美妙的科学词来形容空气 使你更加强大 |
| 89 | than gravity pulls you down. | 比引力拉你下来。 |
| 90 | Here's the trick. | 这里有把戏。 |
| 91 | The top of the wing is curved. | 机翼顶部呈弯曲. |
| 92 | The bottom is flat. | 下为平. |
| 93 | Air | 空运 |
| 94 | moves faster over the top, slower under the bottom. | 在顶部移动得更快,在底部移动得更慢. |
| 95 | This creates low pressure on top and high | 这造成了低压 在顶部和高 |
| 96 | pressure underneath. | 压在下面 |
| 97 | And boom, the plane gets pushed up like a balloon getting punched from below. | 轰,飞机被推了 就像气球从下面被打。 |
| 98 | That's lift, the reason planes yeet themselves into the sky and stay there. | 这是升降机, 原因 飞机自己飞到天空 并停留在那里。 |
| 99 | The engines, or the | 发动机,或 |
| 100 | giant spinny jet vacuums, create thrust. | 巨大的螺旋喷射真空 产生推力 |
| 101 | They push the plane forward really fast. | 他们把飞机推进得很快 |
| 102 | The faster you go, | 你走得越快,你就会走得越快 |
| 103 | the more air hits the wings, the more lift you get. | 越多的空气击中翅膀, 你得到的升力。 |
| 104 | No speed equals no lift equals metal sky whale | 没有速度等于没有升力等于金属天鲸 |
| 105 | becomes metal ground pancake. | 成为金属地饼。 |
| 106 | Planes fly because of four forces. | 机因四力而飞. |
| 107 | Lift pushes up, weight pulls down, | 举起推力 举起重力 |
| 108 | thrust pushes forward, drag tries to ruin your life. | 推力向前推 拖动试图破坏你的生活。 |
| 109 | Those little flaps on the wings, they move | 翅膀上的小襟翼会移动 |
| 110 | to change how much lift you get. | 改变你得到多少升降机。 |
| 111 | During takeoff and landing, the wings go full transformer mode | 起飞和着陆时,机翼会全变压器模式 |
| 112 | to stay stable. | 保持稳定。 |
| 113 | How do dreams work? | 梦怎么工作? |
| 114 | Dreams are straight up weird. | 梦是直上怪异。 |
| 115 | You go to sleep thinking about | 你去睡觉 想着 |
| 116 | breakfast and wake up like, I just gave birth to a dragon on a trampoline while my third grade | 早饭醒来时,我刚在蹦床上生了条龙 三年级的时候 |
| 117 | teacher cheered. | 老师欢呼。 |
| 118 | How? | 怎么会? |
| 119 | Why? | 为什么? |
| 120 | When you knock out for the night, your body rests, but your brain | 当你昏昏欲睡时,你的身体会休息,但你的大脑 |
| 121 | still cooking. | 还在做饭 |
| 122 | In fact, it goes harder when you're asleep. | 事实上,你睡着的时候会更难 |
| 123 | During a phase called REM sleep or rapid | 在一个叫做REM睡眠或快速的阶段 |
| 124 | eye movement, your brain starts lighting up like a Christmas tree on Red Bull. | 眼睛运动 你的大脑像红牛上的圣诞树一样闪亮 |
| 125 | That's when dreams | 那时梦想 |
| 126 | happen. | 发生。 |
| 127 | Your brain has a giant simulation engine built in. | 你的大脑有巨型模拟引擎 |
| 128 | During REM, it replays memories, | 在REM期间,它重放回忆, |
| 129 | smashes random thoughts together, runs fake scenarios, and throws in your ex for no reason. | 乱想乱想 假冒假象 无缘无故扔进你的前女友 |
| 130 | It's like your brain goes, all right, time to test some stuff that makes absolutely no sense. | 这就像你的大脑去, 所有权利, 时间测试一些东西 绝对没有意义。 |
| 131 | Boom,梦也. | |
| 132 | Scientists don't really know why we dream, but here are the top theories. | 科学家们不知道我们为什么做梦, 但这里是顶级理论。 |
| 133 | Memory | 内存 |
| 134 | sorting. | 正在排序。 |
| 135 | Dreams help organize your thoughts like a messy desktop. | 梦想有助于组织你的想法 像一个混乱的桌面。 |
| 136 | Emotional therapy. | 情感疗法。 |
| 137 | Your brain's | 你的大脑 |
| 138 | let's process that trauma by turning it into a talking walrus. | 把它变成一头说话的海象 |
| 139 | Threat practice. | 威胁实践. |
| 140 | Ancient brain | 古老的大脑 |
| 141 | says, let's rehearse being chased by tigers, just in case. | 说,让我们排练 被老虎追赶, 只是以防万一。 |
| 142 | Honestly, it might be all of them at once | 老实说,可能是所有的人一次 |
| 143 | because your brain's logic filter is asleep too. | 因为你的大脑逻辑过滤器也睡着了 |
| 144 | During dreaming, the part that says, | 在做梦的时候,那部分说, |
| 145 | hmm, that doesn't make sense is off. | 嗯,这是不合理 关闭。 |
| 146 | So anything goes. | 随你便 |
| 147 | You can fly, breathe underwater, | 你可以飞,在水下呼吸 |
| 148 | or fight dinosaurs with a spoon. | 或者用勺子打恐龙 |
| 149 | Totally normal. | 绝对是正常的。 |
| 150 | Dreams are your brain's way of processing, | 梦是你的大脑的处理方式, |
| 151 | simulating, and playing out life. | 模拟和玩弄生活。 |
| 152 | What even is a black hole? | 黑洞是什么来着? |
| 153 | Black holes are the final boss of | 黑洞是头儿 |
| 154 | space. | 空间。 |
| 155 | Imagine something so heavy, so dense, so extra that not even light can escape it. | 想象一下 这么重,那么密集,那么额外 连光都不能逃脱它。 |
| 156 | You shine a flashlight at a black hole, too bad. | 你用手电筒照黑洞 太可惜了 |
| 157 | That light is gone, yeeted into the abyss, | 光已经消失 被深渊笼罩 |
| 158 | deleted from reality. | 从现实中删除。 |
| 159 | Take a giant star, now let it live its life, burn through its fuel, | 取一个巨星,现在让它 生活,燃烧它的燃料, |
| 160 | and get old and cranky. | 变老又狂躁 |
| 161 | Eventually, the star goes, supernova explosion, and the middle part | 最终,恒星开始,超新星爆炸,中间部分 |
| 162 | collapses. | 崩溃。 |
| 163 | But it doesn't just collapse, it implodes into itself like a cosmic sinkhole until | 但它不只是崩塌, 它像一个宇宙的沉积孔一样自爆,直到 |
| 164 | it's infinitely small. | 它的无限小。 |
| 165 | This creates a black hole, a spot in space with so much gravity that it just | 这造成了一个黑洞, 一个空间的斑点 如此重力,它只是 |
| 166 | eats everything. | 饮食一切. |
| 167 | Black holes don't suck stuff in, they pull stuff in with pure gravity. | 黑洞不会吸东西进去,它们用纯重力拉东西进来. |
| 168 | Like | 喜欢 |
| 169 | Earth's gravity keeps the moon in orbit, a black hole's gravity is like, hey moon, come here forever. | 地球的引力使月球保持轨道,黑洞的引力就像,嘿月球,永远来到这里. |
| 170 | Even light, which is the fastest thing in the universe, can't outrun it. | 即使光,这是宇宙中最快的东西,也不能超越它. |
| 171 | That's why they're | 这就是为什么他们 |
| 172 | because light literally can't bounce back out. | 因为光从字面上说不能反弹出来。 |
| 173 | At the center is the singularity, a point that's | 中心是奇点,就是 |
| 174 | infinitely dense and where physics just gives up. | 无限密集 和物理刚刚放弃的地方。 |
| 175 | Time? | 时间? |
| 176 | Broken. | 断了 |
| 177 | Space? | 空间? |
| 178 | Bent like spaghetti. | 弯曲喜欢意大利面。 |
| 179 | Your understanding of reality? | 你对现实的理解? |
| 180 | Gone. | 不见了。 |
| 181 | Surrounding it is the event horizon, the point of no return. | 包围它就是事件地平线,即不返回点。 |
| 182 | Once you cross it, game over. | 一旦你越过它,游戏结束。 |
| 183 | No signal, no comeback, just silence. | 没有信号,没有回来,只是沉默。 |
| 184 | Black holes are space | 黑洞是空间 |
| 185 | vacuum cleaners that broke the laws of physics. | 真空吸尘器打破了物理定律. |
| 186 | How do microwaves actually cook food? | 微波炉怎么煮食物? |
| 187 | Microwaves | 微波 |
| 188 | don't heat food like a fire or oven. | 不要像火和烤箱一样热食物 |
| 189 | Instead, they shoot invisible waves called, wait for it, | 相反,他们拍摄隐形波 呼叫,等待它, |
| 190 | microwaves into your food. | 微波炉进入你的食物。 |
| 191 | These are electromagnetic waves, just like light and x-ray, | 这些是电磁波 就像光和X射线一样 |
| 192 | but chunkier. | 但更粗壮。 |
| 193 | They specifically target one thing, water. | 他们特别针对一件事,水。 |
| 194 | Why? | 为什么? |
| 195 | Because water molecules are tiny, | 因为水分子很小, |
| 196 | weird little dumbbells with a positive side and a negative side, like emotional people. | 奇怪的小哑铃带有正面的一面和负面的一面,像情感的人. |
| 197 | When microwaves hit them, they start vibrating like they just heard a Taylor Swift breakup song, | 当微波炉击中他们, 他们开始震动 就像他们刚刚听到泰勒斯威夫特分手歌曲, |
| 198 | millions of times per second. | 百万倍每秒。 |
| 199 | That movement creates friction, and friction makes heat. | 这种运动产生摩擦,摩擦产生热. |
| 200 | Stuff with more water, like soup, heats fast. | 以水多服之,如汤,热速. |
| 201 | Stuff with no water, like dry bread, gets weird. | 没有水的东西,像干面包,变得很奇怪。 |
| 202 | Ever microwaved pizza crust? | 有微波炉披萨壳吗? |
| 203 | It turns into a tire, that's why. | 它变成了轮胎,这就是原因。 |
| 204 | Also, microwaves don't go very deep, | 还有,微波炉不太深 |
| 205 | only about an inch or two. | 大约一两英寸 |
| 206 | So that frozen lasagna? | 那冻面条呢? |
| 207 | Yeah, the outside's boiling, but the inside's | 是啊,外面的沸腾, 但内部的 |
| 208 | still an ice cube. | 还是个冰块 |
| 209 | You may be wondering, why does the plate spin? | 你可能会想,为什么盘旋? |
| 210 | Because microwaves bounce around | 因为微波回弹 |
| 211 | unevenly inside the box. | 盒子内部不均匀 |
| 212 | If it didn't spin, half your food would be magma, the other half would | 如果它不旋转,一半的食物是岩浆,另一半会 |
| 213 | still be in hibernation. | 还在休眠中 |
| 214 | So that little turntable, it's the real MVP, keeping your food from becoming | 所以,这个小转盘,这是真正的MVP, 防止你的食物成为 |
| 215 | a crime against God. | 对上帝的犯罪。 |
| 216 | So yeah, your microwave cooks food by violently shaking water molecules | 所以,你的微波炉用剧烈摇动的水分子烹饪食物 |
| 217 | with invisible waves. | 与无形的波浪。 |
| 218 | How does YouTube know what you want to watch? | YouTube怎么知道你想看什么? |
| 219 | YouTube真吓人 | |
| 220 | You watch one | 你看一个 |
| 221 | video about raccoons, and suddenly your homepage is like, here's 87 more raccoons, also raccoons | 关于浣熊的视频 突然间你的主页就好像 还有87个浣熊 还有浣熊 |
| 222 | driving cars, also raccoons in space. | 驾驶汽车,还有太空浣熊。 |
| 223 | How does it know? | 它怎么会知道? |
| 224 | Every time you click, tap, pause, rewind, | 每次你点击,敲,暂停,倒带, |
| 225 | or cry during a video, YouTube takes notes. | 或者在视频中哭泣,YouTube记录。 |
| 226 | What you watched, how long you watched it, what you | 你看着什么,你看多久,你看什么 |
| 227 | clicked before and after, whether you liked, commented, or just dipped halfway through. | 在前后点击,无论你喜欢,评论,还是刚通过一半。 |
| 228 | It's | 这是 |
| 229 | not a website, it's a stalker with a clipboard. | 不是网站 而是有剪贴板的跟踪者 |
| 230 | YouTube的目标? | |
| 231 | Get you to click and stay. | 让你点击并留下来。 |
| 232 | If | 若为 |
| 233 | you click but don't watch for long, no bueno. | 你点击,但不要看太久, 没有bueno。 |
| 234 | If you watch forever but didn't click, also meh. | 如果你永远看,但没有点击, 也是meh。 |
| 235 | But | 不过 |
| 236 | if you click and binge, like it's Netflix in 2013, the algorithm's like, send this person more, | 如果你点击和宾格, 就像它是Netflix在2013年, 算法喜欢,送这个人更多, |
| 237 | feed them. | 给他们吃 |
| 238 | Your homepage is built by a supercomputer on energy drinks that mixes what you like, | 你主页是由一台超级计算机搭建的 关于能量饮料 混合你喜欢的, |
| 239 | what people like you like, what's trending, what you watched three years ago at 2 a.m. during a crisis. | 像你们这样的人喜欢什么,什么是趋势, 你在三年前的凌晨2点在危机中看到的。 |
| 240 | And yes, it remembers everything. | 是的,它记得一切。 |
| 241 | Even that video you regret watching, you know the one. | 即使是你后悔看的视频,你知道的。 |
| 242 | YouTube also compares your habits to millions of other people. | YouTube还将你的习惯与数百万其他人进行比较. |
| 243 | If 800,000 people who watched | 如果80万人观看 |
| 244 | How to Tie a Tie also clicked on How to Adult, YouTube's like, welp, must be related, recommends | 如何捆绑一个铁丝网, 点击如何成年, YouTube的一样,Welp, 必须是关联,建议 |
| 245 | it to you instantly. | 立刻给你 |
| 246 | It doesn't know why you want it, it just knows you do. | 它不知道你为什么想要它, 它只是知道你这样做。 |
| 247 | YouTube建议视频 | |
| 248 | using a brain-melting algorithm, all to keep you watching forever. | 用大脑熔炼算法, 都让你永远看着。 |
| 249 | YouTube不管你怎样 | |
| 250 | watch, it just wants you to not stop. | 看,它只是想让你不要停止。 |
| 251 | If you enjoyed this video, YouTube knows you'll like this video | 如果你喜欢这个视频 YouTube知道你会喜欢这个视频的 |
| 252 | right here, so just watch it. YouTube knows you'll like this video right here, so just watch it. | 在这里,所以只是看着它。 YouTube知道你会喜欢这段视频的 所以看吧 |
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