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And it is moving around and we are sitting on that electron watching it go about its daily affairs.
它正在运动,我们正置身与电子上面,观察它时刻发生的事件。
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I think the reason why triathlon is not so, so big is just because it requires a lot of time.
我认为铁人三项运动之所以不够普及，
是因为它需要大量的时间。
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If a photon which has no mass can behave as a particle, does it follow then an electron which has mass can behave as a wave? 1920.
如果一个没有质量的光子,能像粒子一样运动，那么它能像一个,没有质量的电子那样以波的形式运动吗。
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But Aristotle used to think that if you want something to move, there has to be some agency making it move.
但亚里士多德认为,如果要让物体运动,那就必须有某种作用让它运动
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I think it's a battle of ideas and that's then a battle of networks and movements.
我认为这是一场观点的战争,它还是一场网络组织和运动的战争。
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What this does then is it paralyzes you because your motor neurons-- You send the command to your arm to stand, to lift up.
结果就是它能使你瘫痪,因为你的运动神经元,你想要举起手臂
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that the negative particle travelled - it was deflected much, much further by those plates, what he could also assume and make the conclusion of is that the mass of that negative particle is actually larger or smaller?
因为他发现负电粒子,运动了很远,它被两块电板偏转了,非常非常远,所以他给出的结论是,负电粒子的质量,是比较大还是比较小？
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It's a curious sport in that... well, it started (when) surfers went to surf on land.
这是一项很有趣的运动，因为……嗯，它是从冲浪选手上陆地冲浪开始的。
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Can you tell us about the sports that you're interested in and about the rules?
你能告诉我们你感兴趣的运动和它的规则吗？
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Even if I'm talking business, I'm going to relate it to sports first.
即使在谈业务的时候，我都要先把它和运动扯上关系。
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Credit unions are -I think they came out of kind of the cooperative movement.
信用合作社,我想它大概是源自互助合作运动
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You reduce a lot of the health risks, if you exercise often.
如果你经常运动的话，它会帮你降低许多健康问题的风险。
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His Leatherstocking Tales are full of a certain anxiety about what might be happening to that frontier, what's coming from east to west.
他的《皮袜子故事集》里弥漫着某种焦虑不安,它讲述了西进运动开拓者们从东部来到西部,有可能会遇到的一些事情
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This I must say, this topic ignited my imagination when I was a kid when I thought about it; when I was an athlete.
我必须承认，这个话题点燃了我的想象,当我是孩子时想到它;,当我还是一名运动员时。
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In fact, it's the most important game in the world.
事实上,它也是世界上最重要的运动
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One way to mark time is to imagine it carries a clock as it moves, and put markers every second.
标记时间的一种方法是,想像它带着时钟运动,并且每秒做一次标记
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And, you get these tiny little negatives running around.
有一些非常小的带负电的东西在它周围运动。
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He said, first, let it go a little distance, take the distance over time, that gives you the velocity now.
他说,首先,让它运动一小段距离,距离除以时间,你就能得到现在的速度
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So, let's see what the correct answer is, Wakefield and it is, in fact, Wakefield, right, because there's an inverse relationship between how fast a particle is going and what its wavelength is.
所以，让我们来看看,正确的答案是什么，事实上，答案是，因为粒子运动的快慢,与它的波长之间是一个反比例关系。
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And the electrical energy is the product of the charge on the electron times the voltage which is the potential difference through which the electron was accelerated. And so this allows me to, by increasing the voltage, increase the energy on the electron.
电子能量是电子上的电荷数,乘以电压的结果,这是种内在的差距,通过它电子运动得以加速，这也让我，通过增强电压，来增加电子能量。
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You can ask me where it will be nine seconds from now, eight seconds from now, how fast will it be moving.
你们可以问我九秒后它的位置,或者八秒后,以及它的运动速度
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So, if we do this calculation for an electron, saying it moves at 10 to the 5 meters per second, then what we end up with for a wavelength is 7 times 10 to the -9 meters.
如果我们已知电子以，10的5次方每秒的速度运动，那么做一个计算,可以得知它的波长是,7乘以10的负9次方米。
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It blocks motor neurons from affecting muscle fibers.
它能阻碍运动神经元对肌肉纤维的支配
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Um, because it's sports-based culture, everything is related to sports.
因为它的企业文化是基于运动的，所以一切都和运动相关。
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The answer is that simply knowing the particle has an acceleration is not enough to tell you where the particle will be.
答案是这样的,仅仅知道质点的加速度,是不足以告诉你它接下来的运动的
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You've got to ask yourself, let the time it takes to do a full circle, that's the time period, do a full circle.
你已经问你自己了,留足够的时间让它运动一整圈,那就是运动整个圆周的时间周期
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when it does this, it's crossed the origin and is going to the left of the origin.
当它这样运动的时候,就经过了原点,要运动到原点左边
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This particle is constantly changing its direction, but it therefore has an acceleration and the acceleration, we have shown here, is pointing towards the center.
这个质点恒定地改变它的运动方向,因此它具有加速度,而且这个加速度,我们前面也讲过了,指向圆心
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They'll keep trying to get it going, but maybe we should move on with our lives here while this is happening, and we'll click it back at the end, and if we have a nice set up at any point, I'll just stop and we'll go back and we'll look at it again.
它们会一直让它保持运动，但是或许我们应该,在这个过程中离开一会儿，我们在最后点击它，如果我们在每一个点,都有一个好的装置，我就会停止然后,返回再去看看它。
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Let it go a little more, that gives you the velocity later.
让它再运动一小段距离,那就能得到稍后的速度
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