TED演讲:创造历史的黑洞图像(3)

We had to get lucky in a lot of different ways. And sometimes, it's better to be lucky than good. 在很多方面我们都需要幸运的眷顾。有时,运气比正确操作更重要。 In this case, we were both, I like to think. But light had to come from the black hole. 我认为这一次,我们不但操作正确,运气也很好。但我们需要接收来自黑洞的光线。 It had to come through intergalactic space, through...

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TED演讲:推特需要如何改变(15)

How do you define … "Daily active usage" seems like a really dangerous term to be optimizing. Taken, 你是如何定义……过于美化“每日活跃参与度”这个数值似乎是一件危险的事, taken alone, it is, but you didn't let me finish the other metric, which is, we're watching for conversations and conversation chains. 确实,如果你单独讨论这个数值的话,但你得让我介绍其...

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TED演讲:创造历史的黑洞图像(5)

You'll see here that some light from behind it gets lensed, and some light does a loop-the-loop around the entire orbit of the black hole. 你现在看到的是在黑洞后面的一些光透过它,有些光的确会一直绕着黑洞转。 But when you get enough light from all this hot gas swirling around the black hole, 但如果光足够多,它们来自黑洞周围的高温气体中, then you wind up seeing all of the...

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TED演讲:创造历史的黑洞图像(6)

This is a very powerful black hole. Not by universal standards, it's still powerful, 这是一个强有力的黑洞。虽然不是公认的,但它依然非常强大, and from the north and south poles of this black hole we think that jets are coming. 在这个黑洞的北极和南极,我们认为射线正从这两段过来。 Now, we're too close to really see all the jet structure, but it's the base of those ...

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TED演讲:推特需要如何改变(7)

Let's see what you guys are asking. I mean, this is — generally, one of the amazing things about Twitter is how you can use it for crowd wisdom, 让我们看看你们在问什么。我觉得,这是——总体而言,推特的特点之一在于它能够集中大众智慧, you know, that more knowledge, more questions, more points of view than you can imagine, and sometimes, many of them are really healthy...

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TED演讲:推特需要如何改变(14)

Well, do you, though? Because that's the core question that a lot of people want to know. 并且——安德森:你是这么想的吗?这是许多人想问的一个核心问题。 Surely, Jack, you're constrained, to a huge extent, by the fact that you're a public company, you've got investors pressing on you, 当然,杰克,你在很大程度上受到约束,因为这是一家上市公司,你会收到投资者的压力...

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TED演讲:嘻哈音乐如何帮助我们理解科学(5)

So say EPC. EPC. Say it, EPC! EPC! 说EPC!EPC!说EPC!EPC! "I like to say it with pride now, when you do it, do it well, and make sure that it counts. You're not down with a discount." “我喜欢自豪地说出来。如果你要偷情,就尽情地去吧,好好享受这其中的激情全没半点折扣。” You down with EPC? Yeah, you know me! 你对EPC无法自拔吗?是啊,你懂的! Now, I had always be...

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TED演讲:推特需要如何改变(12)

We're ordering it the right way, but we're also simplifying the rules so that they're human-readable 我们以正确的顺序排列信息,但同时我们也在简化规则,使其简单易懂, so that people can actually understand themselves when something is against our terms and when something is not. 这样人们就能理解哪些行为违反了条例,哪些没有。 And then we're making — again...

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TED演讲:创造历史的黑洞图像(4)

You can't beat the bandwidth of a 747 filled with hard discs. 没有哪个网络比一架满载硬盘的波音747飞机更快的了。 And so, I guess a few weeks or a few months ago, on a computer screen somewhere, this started to come into view. This moment. 那么我猜,在几周或几个月前,在某地一台电脑的显示器上,黑洞的形象在那一刻渐渐成形。 Well, it took a long time. I mean, look at this. Tha...

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TED演讲:嘻哈音乐如何帮助我们理解科学(2)

The song is about cheating on your significant other. 这首歌是关于出轨的。 Now, around the time that this song was in heavy rotation, 在这首歌特别流行的时候, biologists were in deep discussion about whether bird species, 生物学家们深刻讨论了鸟类, notably songbirds and waterfowl were actually monogamous or not. 特别是夜莺和水禽类是否真的是一夫一妻制。 See, for decades, gene...

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TED演讲:推特需要如何改变(8)

Just to back up a bit, we asked ourselves a question: Can we actually measure the health of a conversation, and what does that mean? 让我们倒回去一点,我们问了自己一个问题:我们是否能测量对话的质量?而对质量的定义又是什么? And in the same way that you have indicators and we have indicators as humans in terms of are we healthy or not, 就像你我作为人类会有显示我们健不健康的指...

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TED演讲:推特需要如何改变(17)

And that took some work. And as we dived into that, we realized some of the issues with the fundamentals. 这花了一点时间。当我们开始关注这方面时,我们意识到一些原则性的问题。 We could do a bunch of superficial things to address what you're talking about, but we need the changes to last, 为了达成你所说的目的,我们可以采取一系列浅层措施,但我们需要找到可持续的改进措施, an...

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TED演讲:嘻哈音乐如何帮助我们理解科学(6)

Now, hip-hop song references are a really good tool for teaching content to students from hip-hop culture or urban communities. 对于教导嘻哈文化背景下,或城市社区背景下的学生,嘻哈的确是个绝佳的工具。 And I use it intentionally to connect to those students, tapping into vocabulary that they already know and systems that they already comprehend. 我也特地用这种方法来加强和学生...

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TED演讲:创造历史的黑洞图像(7)

It's the red circle, that's terrifying. No, really. Black holes really are the central mystery of our age, 这个红色的圈太吓人了。你在开玩笑。黑洞可谓是我们这个时代的中心之谜, because that's where the quantum world and the gravitational world come together. What's inside is a singularity. 因为它是量子世界与引力世界的交合点。黑洞的中心是一个奇点。 And that'...

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TED演讲:推特需要如何改变(6)

Yeah, I mean, I think you're spot on, but that goes back to the incentives. Like, 是的,我觉得你讲的正中要害,但这反过来回到了刚才所说的动机问题。 one of the choices we made in the early days was we had this number that showed how many people follow you. 在早期,我们设计的系统是这样的:系统会显示关注你账号的人数。 We decided that number should be big and bold, and anythi...

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TED演讲:嘻哈音乐如何帮助我们理解科学(3)

Now, it was so bad that this was the headline of the "New York Times" science section, August, 1990. 这件事情的影响如此广泛,使它成为了《纽约时报》1990年8月刊科学板块的头条。 "Mating for Life? It's not for the Birds or the Bees." We had to come up with new definitions. “终身厮守?鸟类和蜜蜂才不适用。”我们需要想出一个新的定义。 The situation where an i...

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TED演讲:嘻哈音乐如何帮助我们理解科学(4)

"It's OPP, time for other people's what you get it there's no room for relationship, there's just room to …" “OPP就是你眼前的人已经属于其他人,没有机会发展恋爱关系,只有机会发展……” Hit it! How many brothers out there know just what I'm getting at? 性关系!有多少仁兄知道我在说什么? Who thinks it's wrong because I was splitting and cohi...

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TED演讲:嘻哈音乐如何帮助我们理解科学(1)

How y'all doing? Good. I came here to give you a science lesson 大家好吗?非常好。今天我想给大家上一堂科学课, about animal mating systems and why defining monogamy has been a challenge for scientists. 关于动物交配体系,以及为什么对科学家来说定义一夫一妻制很难。 But you won't need a textbook or to download an online lecture. 这堂课你们不需要什么课本,也不需要下载讲座...

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TED演讲:推特需要如何改变(5)

What we could do instead is allow you to follow an interest, follow a hashtag, follow a trend, follow a community, 我们可以改进的地方在于让你关注一项兴趣爱好,关注一个标签,关注一种趋势,关注一个群体。 which gives us the opportunity to show all of the accounts, all the topics, all the moments, all the hashtags 通过这种方式,我们可以给你推荐与你兴趣有关的所有账号、所有话题、 ...

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TED演讲:创造历史的黑洞图像(1)

Shep, thank you so much for coming. I think your plane landed literally two hours ago in Vancouver. 克里斯·谢普,感谢你的到来。我听说你乘坐的航班两个小时前刚到达温哥华。 Such a treat to have you. So, talk us through how do you get from Einstein's equation to a black hole? 非常高兴今天你能来这里。那么,给我们讲讲你是如何从爱因斯坦方程式中提取黑洞信息的? Over 100 years ag...

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