欢迎您登陆
+ 影音搜索
 
 
<2025年7月>
周一周二周三周四周五周六周日
30123456
78910111213
14151617181920
21222324252627
28293031123
45678910
听力等级

科学研究   

2022-07-29   Video
How Far Can We Go – Limits of Humanity

Keywords:

Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? Turns out there are. Even with science fiction technology, we are trapped in our pocket...

有没有我们永远不会跨越的边界? 有没有我们无论多么努力都永远无法到达的地方? 事实证明有。 即使有了科幻小说的技术,我们也被困在宇宙的口袋里。 这怎么可能呢? 我们能走多远? 我们生活在银河系的一个安静的...


2022-07-27   Intermediate
The Singularity

Keywords:

Steve: Compare and contrast. Rennie: Well I would be happy to do that Steve. You see your regular singularity is something you would find deep inside a black hole. What happens with a black hole is y...

Steve:比较和对比。 Rennie:嗯,我很乐意做那个 Steve。你看,你的常规奇点是你会在黑洞深处找到的东西。黑洞的情况是,你有一颗恒星已经消耗了它所有的燃料,现在它只不过是一个大引力球,在自身的顶部坍缩;它坍缩,坍缩,再坍缩,恒...


2022-07-25   Intermediate
The Bouncing Carbon Atom

Keywords:

Steve: Right, I mean Chernobyl's terrible thing but that is not a worldwide spread, what got spewed out there. Volk: Yeah, the winds did spread it into the northern Europe and so that was very bad, b...

史蒂夫:是的,我是说切尔诺贝利的可怕事情,但那不是全世界的传播,而是在那里传播的。 Volk:是的,风确实把它传播到了北欧,所以情况非常糟糕,但这不是一个纯粹的全球平等传播。 Steve:那么,你怎么知道二氧化碳确实在世界范围内传播呢?...


2022-07-25   Video
Chilling Time - How to Build the Coolest Clock on Earth

Keywords:

I’m William D. Phillips, Bill Phillips. I won the Nobel Prize in 1997 – Nobel Prize in Physics – and I make gases of atoms really, really cold. Time is one of the most important things ...

我是 William D. Phillips,Bill Phillips。 我在 1997 年获得了诺贝尔奖 – 诺贝尔物理学奖 – 我制造的原子气体真的非常非常冷。 时间是最重要的事情之一 我们在现代生活中测...


2022-07-23   Intermediate
The Evolution of Evolution

Keywords:

Steve: I figured that probably had something do with it.$#10320#$10320#$ Why don't you tell everybody what the bigness is about [in] 2009.$#10320#$10320#$ Rennie: Well sure.$#10320#$10320#$ It's actu...

Steve:我想这可能跟这事有关。$#10320#$10320#$ 你为什么不告诉大家 2009 年有什么大事呢.$#10320#$10320#$ Rennie: 嗯,当然。$#10320#$10320#$ 这实际上是与进化论有关的周年纪...


2022-07-21   Video
How Physicists Trapped Photons in a Box

Keywords:

My name is Serge Haroche and I’m a physicist. I got the Nobel Prize in 2012 and it was for the manipulation of individual quantum systems. So, what we did was to trap photons in a box and ...

我叫 Serge Haroche,是一名物理学家。 我在 2012 年获得了诺贝尔奖,那是 对单个量子系统的操纵。 所以,我们所做的是将光子捕获在一个盒子中 并操纵和控制这些光子 它们是光粒, 尝试理解 ...


2022-07-17   Intermediate
From Carbon to the Cretaceous

Keywords:

Steve: Hi Davide, good to talk to you. Castelvecchi: Hi Steve, great talking to you. Steve: So first of all, let's talk just for a moment about what is the AGU meeting. What are the kinds of subject...

Steve:嗨,Davide,很高兴和你交谈。 Castelvecchi:嗨,Steve,很高兴能和你交谈。 Steve:首先,让我们花点时间谈谈什么是 AGU 会议。他们在美国地球物理联盟会议上谈论的话题是什么? Castelvec...


2022-07-17   Video
Acoustic Holograms Create Complex Floating Patterns

Keywords:

This tiny paper boat is being pushed along by an ‘acoustic hologram’. The ripple on the surface of the water is created by ultrasonic waves emanating from a speaker underneath. But – cr...

这艘小纸船被推着走 通过“声学全息图”。 水面上的涟漪 是由超声波产生的 从下面的扬声器发出。 但是 - 至关重要的是 - 来自扬声器的波 穿过“全息图板”。 该板的某些部分比其他部分更厚。 ...


使用须知 常见问题  

Copyright© 2015-2025 kuotuo Inc. All rights reserved  

粤ICP备12056166号-3 粤公网安备 44010602002199号

您的IP地址:10.3.52.219