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2025-06-15   Video
Where Does the Periodic Table End

Keywords:

Scientists created the first artificial elements during World War II, and they were actually classified at first, and it was only afterward that they were allowed to announce the discovery ...

科学家创造了第一批人造元素 在第二次世界大战期间,他们实际上是 起初是机密,后来才 他们被允许宣布这一发现 这些新元素。 创建新元素时,基本的 idea 是你有一个目标 而你有一束其他的东西,并且 ...


2025-06-13   Video
How Nintendo Competes Differently Than Sony and Microsoft

Keywords:

- [Narrator] This is what Nintendo originally was. Yes, it was a playing card company. And this is Nintendo today. - [Mario toy] "It's-a Me, Mario!" - [Narrator] Consoles, theme parks,...

- [旁白] 这就是 任天堂最初是。 是的,这是一家扑克牌公司。 这就是今天的任天堂。 - [马里奥玩具] “It's-a Me, Mario!” - [旁白] 控制台, 主题公园, 甚至电影。 ...


2025-06-11   Video
Scientists Attempt to Replace BPA in Food and Drink Cans

Keywords:

A ubiquitous chemical called Bisphenol A, better known as BPA, coats the inside of many food and drink cans. This lining is 2 micrometers thick, less than 1/8th of the thickness of a human hai...

一种普遍存在的化学物质,称为双酚 A, 更广为人知的是 BPA,覆盖在许多 食品和饮料罐。 此衬里厚 2 微米,小于 人类头发粗细的 1/8。 它是金属和 确保 一罐苏打水会保留它的嘶嘶声和味道。 因为它便宜...


2025-06-09   Video
Why This Sign Is in Front of Banks

Keywords:

- [Narrator] This is a run on a bank. This is also a run on a bank. And while these people lost their money, these people didn't thanks to a government agency designed back then. - [Pr...

- [旁白] 这是一场银行挤兑。 这也是一场银行挤兑。 虽然这些人赔了钱, 这些人没有 感谢政府 机构设计。 - [罗斯福总统] 我们 不想要也不会有 又一次银行倒闭的流行病。 - [旁白] F...


2025-06-07   Video
Maps Help Rconstruct the Lives of Ancient Europeans

Keywords:

Combing through sand on the beach, you can discover rich clues to the natural world. Likely, your findings won't be monumental— maybe a few shark teeth or shells. That's unless you're in a...

梳理海滩上的沙子,您会发现 了解自然世界的丰富线索。 很可能,你的发现不会是巨大的—— 也许是几颗鲨鱼牙或贝壳。 除非你在一个被称为 Zandmotor 的地区 或荷兰海岸的沙式发动机。 一位特别多产的海...


2025-06-05   Video
How a Traded-In Apple iPhone Gets Refurbished

Keywords:

- [Joanna] So you just traded in your dirty old phone. (tape zipping) (bell dinging) It's now part of the $64.5 billion secondhand phone market. In 2022, 73.5 million used and refurbish...

- [Joanna] 所以你刚刚交易了 在你肮脏的旧手机里。 (胶带拉链) (铃铛叮叮) 它现在是 64.5 美元的一部分 亿二手手机市场。 2022 年,使用了 7350 万个 和翻新手机是 仅在北美发货。...


2025-06-03   Video
A Look Inside the Restoration of Notre Dame Cathedral

Keywords:

On April 15th 2019, firefighters charged into the Notre Dame cathedral to quell a blazing fire. They took careful precautions while spraying down the 850-year-old Parisian monument, like u...

2019 年 4 月 15 日,消防员冲进 巴黎圣母院平息熊熊大火。 他们采取了谨慎的预防措施,同时 喷洒着这座拥有 850 年历史的巴黎纪念碑, 就像使用较低的水压一样, 并避免使用易碎的彩色玻璃。 他...


2025-06-01   Video
Why America's Biggest Cities Are Littered With Vacant Lots

Keywords:

- [Narrator] This vacant parcel of land in Austin, Texas might not look like much, but it offers a glimpse into how a skewed property tax system is worsening the housing crisis in America...

- [旁白] 这个空缺 德克萨斯州奥斯汀的地块 可能看起来不多, 但它让我们看到了 如何让 Skewed 属性 税收制度正在恶化 住房危机 美国最大的城市。 该地块每年有一份财产税账单 每英亩约 150...


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