So, special relativity. Special relativity is one of the most popularly famous ideas in physics.

狭义相对论。 狭义相对论是物理学中最著名的观点之一。

Another one was on the theory of special relativity.

另一个是关于 狭义相对论。

That's really the lesson of special relativity.

这就是狭义相对论的教训。

Special relativity says that space and time are inextricably linked.

狭义相对论认为空间和时间是密不可分的。

But from having studied special relativity, the twins know it's not that simple.

但是通过研究狭义相对论，她俩知道事情没那么简单。

He calculated that an atom with 137 or more protons would violate special relativity.

他计算出拥有 137 个或更多质子的原子将违反狭义相对论。

Because special relativity says that if you warp space, you have to work time.

因为狭义相对论说，如果你要扭曲空间，那你也必须扭曲时间。

We've learned through special relativity and general relativity that different clocks tick at different rates.

我们学习了狭义相对论和广义相对论，不同的时钟以不同的速率行走。

Special relativity doesn't have to be that way.

狭义相对论不必如此。

But it's not really a paradox — just an example of how special relativity can be easily misunderstood.

但这并非一个真正的悖论，只是狭义相对论易被误解的一个例子。

It's not quite as simple as a globe globe because special relativity is a little weirder than roundness.

它不像一个地球仪那样简单，因为狭义相对论比球形更奇怪一点点。

So much for experiments on special relativity.

狭义相对论实验就到此为止。

Special relativity is typically relegated to just a few days squeezed into the beginning or end of other physics courses.

狭义相对论通常被压缩成几天的课程，被放在了其他物理课程的开始或最后。

This is the Twin Paradox, an effect of special relativity.

这就是孪生悖论，狭义相对论的一个效应。

Albert Einstein was the genius who developed the theories of special and general relativity.

阿尔伯特·爱因斯坦是发展狭义相对论和广义相对论的天才。

The theory of special relativity was proposed by Albert Einstein in 1905.

沙万·哈米德 推特：@shwan_hamid爱因斯坦在 1905 年提出了狭义相对论。

But! Special relativity tells us that the light's speed was still exactly c.

但！狭义相对论告诉我们，光速仍然恰好是 C。

Now, special relativity is built around two main assumptions, or postulates.

现在，狭义相对论基于两个主要假设或假设。

But it’s not really a paradox– just an example of how special relativity can be easily misunderstood.

但这并不是一个真正的悖论—— 只是狭义相对论很容易被误解的一个例子。

Today, you learned about special relativity.

今天，你学习了狭义相对论。