欢迎您登陆
+ 影音搜索
 
 
<2026年6月>
周一周二周三周四周五周六周日
25262728293031
1234567
891011121314
15161718192021
22232425262728
293012345
听力等级

科学研究   

2024-03-06   Video
What Would Happen If Everyone Turned off Their Lights at the Same Time

Keywords:

Ah! The good old days before electricity. Did we actually have it better before the first power plant started running? What if everyone on Earth tried getting by with all their lights turned off...

啊!电力供应之前的美好时光。 在第一座发电厂开始运行之前,我们真的做得更好吗?如果地球上的每个人都尝试关掉所有的灯来过日子呢?我们将开始挑战完美的地球一小时,六十分钟完全黑暗,不允许人造光。 我们能否将光污染减少到足以能够在夜空中看到银河系...


2024-03-04   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅲ

Keywords:

Douglas Starr: So a person would come in and they would take these 11 measurements, and thee Bertillon numbers would be put on a card which would follow this person for the rest of his life. Now ...

Douglas Starr:所以一个人进来,他们会测量这 11 次测量,然后你的 Bertillon 数字会被放在一张卡片上,这个卡片将伴随这个人的余生。 现在有趣的是,这不仅是一个积极的 ID,而且通过使用电报,你可以以光速将某人的 Be...


2024-03-04   Video
How We Know Volcanoes are NOT the Source of Rising CO2

Keywords:

Let's consider this question about the source of carbon dioxide. So we know carbon dioxide levels are rising--even the climate contrarians, skeptics, and deniers, everyone agrees with that. ...

让我们考虑一下关于源二氧化碳。 所以我们知道二氧化碳水平正在上升——甚至气候反对者、怀疑论者和否认者,每个人都同意这一点。 但你可以争论,事实上他们中的一些人要争辩说,二氧化碳不会来燃烧化石燃料和土地变化使用,即二氧化碳的来源火山。 我们能...


2024-03-02   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅱ

Keywords:

Douglas Starr: Lacassagne wrote a manuscript on the case, and even looking at the line drawings was disgusting. The crime scenes were so horrific that sometimes they would traumatize the entire v...

道格拉斯·斯塔尔:拉卡萨涅写了一份关于这个案子的手稿,连看线条图都让人恶心。 犯罪现场是如此可怕,有时它们会给整个村庄带来创伤。 整个村子都会有创伤后应激障碍,有点发疯。 这太可怕了。 Steven Berkowitz:这本书真正让我印象深...


2024-03-02   Video
Is Civilization on the Brink of Collapse

Keywords:

At its height, the Roman Empire was home to about 30% of the world’s population, and in many ways it was the pinnacle of human advancement. Its citizens enjoyed the benefits of central heatin...

在鼎盛时期,罗马帝国是大约占世界人口的 30%,并且在许多方面它是人类进步的巅峰。 其公民享受了中央供暖的好处,混凝土, 双层玻璃,银行、国际贸易、以及向上的社会流动性。 罗马成为拥有 100 万居民的历史并且是技术中心,法律和经济进步。 ...


2024-02-29   Intermediate
A True Crime Story and the Birth of Forensic Science -Ⅰ

Keywords:

Douglas Starr: The late 19th Century was a blossoming of all forms of science from anatomy to chemistry to bacteriology, and this started coming together in the minds of some scientists as a way o...

道格拉斯·斯塔尔:19 世纪后期是各种形式的科学的繁荣时期,从解剖学到化学再到细菌学,这开始在一些科学家的脑海中汇集起来,作为解决犯罪的一种方式。 Steve Mirsky:我是 Douglas Starr。 他是一位资深的科学作家,也是波...


2024-02-29   Video
What Would Happen If You Lived Fifty Years in the Future

Keywords:

It feels like the world is moving at a faster rate than ever. Every day, smartphones are getting smarter, A.I. is becoming more inteligent and our environment seems to be getting worse ever...

感觉世界正在以比以往更快的速度。 智能手机每天都在变得越来越智能,人工智能变得越来越智能而我们的环境似乎是每年都在恶化。 如果你要穿越到 50 年后的未来,世界会是什么样子?这是假设,这是将要发生的事情如果你生活在未来 50 年。 低头看着...


2024-02-27   Intermediate
John Rennie - Hacking the Planet, Part Four

Keywords:

John Rennie: I even had reasons to – and this is the tough part of the job – to be going to Vail, Colorado and Telluride around ski time – ski season because, in that case, we were looking at a...

John Rennie:我什至有理由——这是工作中最困难的部分——在滑雪季节去科罗拉多州的韦尔和特柳赖德,因为在那种情况下,我们正在研究我们都听说的另一种天气操纵,即云播种以及你是否真的可以按需创造降水的问题。 实际上——这就是真正令人着迷...


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:10.1.1.142