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That's the interactive program we have both in shock wave and in job of 3D, which allows students to build molecules.
那便是互动项目,我们同时有冲击波,和3D效果，使学生能够,构建分子。
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but I think eventually 3D, like people will get tired of only seeing 3D.
但我认为只看3D，人们也会产生视觉疲劳。
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So, I'm asking very specifically about radial nodes here, how many radial nodes does a hydrogen atom 3 d orbital have?
我问的是径向节点，这里3d轨道的径向节点有多少个？
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Everything moves around in 3D.
所有的物体在三维中运动
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But we also use active visualizations we have a couple of ways to do active 3D visualizations.
但我们也使用主动性直观化,我们有很多方法,来实现3D直观化过程。
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You can see 4s, then 3d, then 4p and then 5s.
你能看到4s层，然后是3d层，然后是5s层。
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I specify in 2D animation even though I do a little bit of 3D,
我主攻2D动画，也涉及一点3D的东西，
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everyone thinks that 3D's going to be the next big thing,
所有人都认为3D会是未来的趋向，
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The 3D wasn't that great.
D的效果不那么好。
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s1 So for the fourth period, now we're into the 4 s 1 3d for potassium here. And what we notice when we get to the third element in 4s2 and the fourth period is 3d that we go 4 s 2 and then we're back to the 3 d's.
对于第四周期到现在我们来到钾的1,然后我们返回到,我们注意到当我们看到第三个元素,第四周期我们来到,然后我们返回到。
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There's only one occasion where it helps to go to three dimensions because there are certain things you can do in 3D you cannot do in less than 3D.
只有一种情况下进入三维是有意义的,因为有些事情你能在三维空间内完成,但低于三维就做不到了
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And what we see is that 4s lies below 3d, according to this set of rules.
我们看到4s能在3d层下面，这是根据这些规则得到的。
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So if we have a 3 d orbital, we're talking about n minus l minus 1, what is n equal to? What is l equal to?
如果我们有一个3d轨道，我们用ｎ减去ｌ减去１,ｎ等于多少？ｌ等于多少？
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That's commonly used by game developers and 3D studio that make movies of it.
这种技术通常是游戏开发者使用,以及做电影的3D工作室使用。
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So if you look at the energy diagram, what we see is that the 4 s orbitals are they're just ever so slightly lower in energy than the 3 d orbitals.
如果你看能量图，我们看到的是4s轨道,他们仅仅比3d轨道,能量低一点点。
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They can click on the particle and move it around in this 3D space.
学生可以在物质上点一下,然后让它动起来,在这个3D空间里。
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