You all have big biceps, on the right arms.
你們的右臂上的二頭肌都很發達
Because you spent half of your lives
因為你們用大半生
scoring tons of chalk dust, across miles of blackboard.
走過成里的黑板 制造了成噸的粉筆灰
I...Don't do that.I have something magic and wonderful to tell you about.
而我...不那么做 我有一個神奇的美妙的東西要告訴你們
It's fast, it's vigorous,and you don't need big muscles. It's called topology.
它很快 很有活力 而且無需你們有發達的二頭肌 它是拓撲學
Pictures, not equations.And nothing moves faster than light.
研究圖形 而不是方程 光是最快的
Under 186,000 miles per second, light is the fastest,
秒速低于186000英里 光速是最快的
easily fast enough to overcome the gravity pull of,
它的速度讓它輕松地克服了重力的拉力
say, the sun,or the Earth, and escaped.
而脫離了太陽 和地球 跑了出去
The speed is high enough to get away from the gravity pulling it back.
它的速度快到 能擺脫拉住它的重力
What if the sun...were more concentrated?What if the sun were collapsed?
如果太陽...密度再高一點呢 如果太陽坍圮了呢
The density becomes huge, the gravity pull enormous.
密度變得極高 重力極大
And now nothing could stop gravity pulling everything in - even light.
重力將不可阻擋 把一切拉向里 甚至光
A singularity forms.What is singularity?
奇點就形成了 奇點是什么呢
A singularity is a place where matter, light, space...Time.Everything.
奇點是一個地方 所有物質 光 空間 時間 一切