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科学研究   常速英语

2023-09-04   Video
The Past We Can Never Return To

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Today we're doing something different. Our friend John Green will read a story from his podcast, "The Anthropocene Reviewed". We hope you enjoy it and we'll be back with a regular video, Soon...

今天,我们正在做一些不同的事情。 我们的朋友约翰·格林 (John Green) 将阅读他的播客“The Anthropocene Reviewed”中的故事。 我们希望您喜欢它,我们将带着定期视频回来, 很快。 因...


2023-08-31   Video
An Antidote to Dissatisfaction

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Everybody is familiar with the feeling that things are not as they should be. That you're not successful enough, your relationship's not satisfying enough, that you don't have the things y...

每个人都熟悉这种感觉事情并不像他们应该的那样。你还不够成功,你的关系不够令人满意,你没有你渴望的东西。长期的不满这让你嫉妒地向外看内心充满了失望。流行文化、广告和社交媒体使情况变得更糟提醒你什么都要瞄准比你梦想的工作少的是失败,你需要有很棒...


2023-08-29   Video
Photosynthesis- Part 5- Light Reactions

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The thylakoid membranes contain specialized molecules that work together to perform the light reactions. Light is absorbed by protein-pigment complexes called photosystems. There are tw...

类囊体膜含有特殊分子共同努力进行光反应。光被吸收蛋白质色素复合物称为光系统。有两个光系统:光系统I和光系统II。光系统转换光能转化为化学能先兴奋后穿梭分子中的电子a中的分子链状时尚在类囊体膜上。这个过程被称为电子传输链。让我们仔细看看看看这...


2023-08-27   Video
Mapping the Darién Gap

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SPEAKER 1: Among endangered tropical forests, this one is unique. This forest sits in the middle of the longest road on Earth, the Pan-American Highway, which runs from the tip of Alaska ...

演讲者1:濒临灭绝热带森林,这个是独一无二的。这片森林坐落在中间地球上最长的道路,泛美公路从阿拉斯加的顶端出发前往智利火地岛。森林被称为“Darién缺口”因为这是唯一的高速公路中断。在这个地区内达连国家公园。纵观历史,Darién的崎岖的...


2023-08-23   Video
1,000km Cable to the Stars - The Skyhook

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Getting to space is hard. Right now, it’s like going up on a mountain on a unicycle- with a backpack full of explosives. Incredibly slow, you can’t transport a lot of stuff, and you might die...

进入太空很难。现在,这就像骑着独轮车上山-背着装满炸药的背包。太慢了,你不能运输很多东西,你可能会死。火箭需要达到每小时40000公里的速度才能逃离地球。为了达到这个速度,火箭大多是装有燃料的容器,有效载荷很小。如果你想去其他星球,这很糟糕...


2023-08-19   Video
Has the Black Hole Information Paradox Finally Been Solved

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Black holes have been a big problem in physics. For decades, scientists have been mystified about what happens to stuff that falls into a black hole. The quandary is called the black...

黑洞是一个巨大的物理学中的问题。几十年来,科学家们一直感到困惑关于东西会发生什么落入黑洞。这种困境被称为黑洞信息悖论,它让物理学停滞不前。但近年来,科学家们取得了突破这可能最终会解决这个难题并开始展示黑洞是如何工作的。为了理解这个悖论,我们...


2023-08-15   Video
Neutron Stars – The Most Extreme Things that are not Black Holes

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Neutron stars are one of the most extreme and violent things in the universe. Giant atomic nuclei, only a few kilometers in diameter, but as massive as stars. And they owe their existence to ...

中子星是宇宙中最极端、最猛烈的东西之一。巨大的原子核,直径只有几公里,但质量和恒星一样大。他们的存在归功于某种雄伟事物的死亡。[引言音乐]恒星的存在是因为脆弱的平衡。数百万至数万亿吨热等离子体的质量被重力向内拉动,用如此大的力将物质挤压在一...


2023-08-11   Video
Dive into a Vanishing Invisible Forest to See What Climate Has Changed

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I started initially studying terrestrial ecology, but I stumbled into a scuba diving class where I learned to dive right here along the Monterey breakwater wall. It was a really rough day. ...

我最初开始学习陆地生态学,但我偶然开始潜水我就是在这里学会潜水的沿着蒙特利防波堤。那真是艰难的一天。海浪很大。我们勉强进入水中。我的意思是,我们几乎看不到我们的双手放在我们面前,因为这是如此黑暗。天气冷得要命。我只是觉得这是最酷的事情。我当...


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