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科学研究   常速英语

2025-02-03   Video
What Would Happen If Wifi Was Visible

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In today’s tech-savvy world, it’s all around you. An invisible world of electromagnetic signals and radio waves. Wi-Fi, or Wireless Fidelity, is responsible for over 60 percent of the planet’s i...

在当今精通技术的世界中,它就在您身边。 一个由电磁信号和无线电波组成的无形世界。 Wi-Fi 或无线保真 (Wireless Fidelity) 占全球互联网流量的 60% 以上。 它似乎无处不在。 然而,人眼无法察...


2025-02-01   Video
What If Earth Was Shaped Like a Donut

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On our hypothetical journey, we've already tested out living on a flat Earth, a cubical Earth, even a hollow Earth. So, what do you say we try to survive on an Earth with a giant hole in the middle...

在我们的假设旅程中,我们已经测试了生活在一个平坦的地球、一个立方体的地球,甚至一个空心的地球上。 那么,你认为我们在一个中间有个大洞的地球上试图生存什么? 像这样的星球甚至有机会适合居住吗? 它还会有月亮吗?重力将如何运作...


2025-01-30   Video
What Would Happen If All Cars Were Indestructible

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Imagine if all cars behaved like this. Instead of falling apart after a single crash, what if we all had cars that were indestructible. Would there be fewer fatalities caused by car accidents? W...

想象一下,如果所有汽车都这样。 与其在一次碰撞后分崩离析,不如我们都拥有坚不可摧的汽车。 车祸造成的死亡人数会减少吗?坚不可摧的汽车是由什么制成的?这最终会是一件坏事吗? 这就是假设,如果所有汽车都是坚不可摧的,会发生什么...


2025-01-28   Video
What If Another Sun Entered Our Solar System

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With the vastness of the Universe, everything in it seems so spread out. But some objects are closer than you might realize. Every now and then, a random interstellar asteroid passes through the...

在浩瀚无垠的宇宙中,其中的一切都显得如此分散。 但有些天体比您意识到的更近。 时不时地,一颗随机的星际小行星穿过奥尔特云,奥尔特云是位于我们太阳系最边缘的冰冷碎片墙。 但是,如果一颗流氓星毫不客气地穿过 Oort 云呢? ...


2025-01-22   Video
The Mind-Blowing Density of Neutron Stars

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Stars with a much larger mass than our Sun burn out after just a few million years; in a gigantic explosion known as a supernova. Moving at the speed of light, millions of tons of plasma, neutrinos...

质量比太阳大得多的恒星在短短几百万年后就会燃烧殆尽;在一场被称为超新星的巨大爆炸中。 以光速移动,数百万吨等离子体、中微子和大量光从这次爆炸中喷出。 但还是留下了一些东西。 这东西到底是什么?如果我们的太阳是其中之一,会发...


2025-01-18   Video
What If a Black Hole Deleted the Universe

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They are massive, and extremely dense. They rip apart anything and everything that gets close to them. We can't see black holes. But we know they have the destructive power to wipe everything...

它们体积巨大,密度极高。 他们撕碎了靠近他们的任何东西。 我们看不到黑洞。 但我们知道他们有破坏力,可以抹去一切。 这是 WHAT IF,如果黑洞删除了宇宙会发生什么。 在我们进入黑洞抹去宇宙的部分之前,让我们...


2025-01-12   Video
What If All Stars Exploded at the Same Time

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Hey, who turned out the stars? Hello? Seriously, where did they go? Is this the end of the Universe? Are we about to get all wiped out? This is WHAT IF, and here's what would happen if al...

嘿,谁把星星找出来了? 你好?说真的,他们去哪儿了? 这是宇宙的终结吗? 我们是不是要全军覆没了? 这是假设,如果宇宙中的所有恒星同时爆炸会发生什么。 从地球上可以看到的每一个星系,都有九个较小的星系,即使我们...


2025-01-08   Video
What Would Happen If We Could Refreeze the Arctic

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The Arctic might soon become completely ice-free. And when all of the ice is gone, the world won't be the same. But what if I told you there was a way to prevent this from happening? And that...

北极可能很快就会完全无冰。 当所有的冰都消失时,世界将变得不一样。 但是,如果我告诉你有办法防止这种情况发生呢? 我们可以通过对一些人造冰山进行地球工程来做到这一点? 这就是假设,如果我们能重新冻结北极会发生什么。 ...


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