All you got to do is put that big ball

你只要把那个大球

Then I turned four.

在我四岁之前

you will see that it's been hammered into an oval shape.

你就会发现 它被搞成椭圆形了

It's like they lose the power to innovate

好像是说会让他们失去创造力

Yep.

没错

After the school custodian

在学校管理员

He was made to stand outside in front of the school...

他被罚穿着圆环裙 戴着花帽子

He was fearless. Taking risks. Always new.

他勇敢无畏 敢于挑战 积极创新

Stefano!

斯特凡诺

it's going back and forth.

来回地摆动

So, you move it a little bit, and you find the restoring torque.

让它摆动一点 找出回复力矩