Since the 1960s, scientists have been fascinated with shampoo's fluid dynamics.

自20世纪60年代以来，科学家们一直着迷于洗发水的流体动力学。

If we're studying fluid dynamics, it's the number of practice problems that we've solved.

如果我们在学习流体力学，它指的是我们解决的练习题数量。

Among the hardest patterns we've tried to understand is the concept of turbulent flow in fluid dynamics.

流体动力学里湍流的概念就是我们探求过的最艰深的模式之一。

And of course, to accomplish this, we also need to be physicists and know the underlying laws of fluid dynamics.

当然，想要制作这种动画，我们还需要具有物理知识，懂得动画背后的流体力学原理。

And in the world of fluid dynamics, if I pulse an air jet in one direction I basically pull air with it.

在流体动力学领域，如果我向一个方向呼出空气流，其实我也是在拉动空气。”

He had to be acquainted with meteorology and know enough fluid dynamics to make sure he didn't overload his ship with booty.

他还得熟悉气象学，并掌握足够的流体动力学知识，以确保他的船没有因战利品而超载。

But the sailors didn't account for fluid dynamics.

但是水手们没有考虑流体动力学。

You know, holy smokes, you can look at insects and study fluid dynamics.

你知道，天哪，你可以观察昆虫并研究流体动力学。

But the real culprits were two scientific phenomena: buoyancy and fluid dynamics.

但真正的罪魁祸首是两种科学现象：浮力和流体动力学。

In both cases,   complex fluid dynamics are in play, giving rise to eerily similar characteristics.

在这两种情况下，复杂的流体动力学都在发挥作用，从而产生了惊人的相似特征。

Because they happen to be my area of expertise as an engineer, in fluid dynamics.

这恰好是我的专业领域 作为一名工程师，在流体动力学方面。

So, in order to grasp the essentials of fluid dynamics, let’s just do some pretending, shall we?

那么，为了掌握流体动力学的本质， 让我们假装一下， 好吗？

And so there are a lot of interesting, open problems of physics and fluid dynamics embedded in it.

因此，其中嵌入了许多有趣的、开放的物理学和流体动力学问题。

So, in order to grasp the essentials of fluid dynamics, let's just do some pretending, shall we?

所以，要了解你的动力学基础 流体，让我们提出一些要求，好吗？

We were doing flame research almost every day and then a lot of fluid research to see what's going on with fluid dynamics up in zero g.

我们几乎每天都要做火焰研究，我们还会做大量的流体研究，以发现零重力环境下流体力学的状况。

You have to have a lot of mechanical designers and product designers but also you have to have a lot of fluid dynamics, motor engineers, software people, ballistics people.

你必须有很多机械设计师和产品设计师，但你也必须有很多流体动力学电机工程师，软件人员，弹道学人员。

But, the science behind these things: how wood burns, how airflow works, if you start thinking about fluid dynamics inside of a cooker, then science has a pretty huge part of it.

但是，这些事情背后的科学：木头是如何燃烧的，气流的原理，如果你开始思考炊具内部的流体动力学，那么科学就占了很大一部分。

We were doing flame research almost every day and then a lot of fluid research to see what`s going on with fluid dynamics up in zero g.

我们几乎每天都在进行火焰研究，然后进行大量流体研究，以了解流体动力学在零重力下发生了什么。

And so, it's like a different lens, allowing us to see the answers to questions like, " What about combustion? " " What about fluid dynamics? " Now, sleeping is delightful.

因此，它就像一个不同的镜头， 让我们看到诸如“燃烧如何？ ”“流体动力学如何？ ” 等问题的答案， 现在，睡觉是愉快的。

According to engineers and physicists and the laws of fluid dynamics, traffic flow would be most efficient if every car maintained a consistent speed and consistent space between a car head and the car behind.

根据工程师和物理学家以及流体动力学定律，如果每辆汽车保持一致的速度和一致的前车与后车之间的空间， 交通流量将是最有效的。