Name: 【TEDx】Forget what you know: Jacob Barnett at TEDxTeen
Uploaded: 2014-07-21T08:58:12.000Z
Duration: 18 min 11 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

Hey! I'm Jacob Barnett,  are you guys excited?

I am here to tell you why you guys should forget everything you know,

suppose you guys are  all doing your homework.

OK, you know,  it's something you have to do;

and, you're doing great on your homework,

you are getting great grades, fabulous prizes, such as you know,

I'm here to tell you that you're doing it all wrong!

That's right, I did just say that,  you're doing it all wrong!

you have to look at everything with your own unique perspective.

not accepting everything that's already out there.

the people I'm showing you in the background  are my little brothers Ethan and Wesley,

one of them is a chemist and the other one is a meteorologist.

So, your perspective might be  the only way you can see

So, let me show you one of the  ways in which I can see math.

addition, subtraction, division, multiplication, etc.

we're gonna do the Schrödinger equation,

split it into time independent components,

the boundary conditions of a  lattice and a particle in the box.

So, I have some lecture notes,  which I'd like you guys to pass out.

So, if I can have some people come up and get these?

I need to let you know about something very quickly.

I did not come here to frighten you all with quantum mechanics -- not yet.

How many of you here  have heard about circles?

They are the shape of  skateboard wheels,

they're the shape of the thing  that turns on your X-box 360.

So, what do we know  from school about circles?

So, let me tell you something cool you can do with circles.

It's not really a theorem,  it's just, you know,

you overlap them in a way  so that there's six blue lines" --

so there's six lines  coming in one point.

The other three points  are in a circle of the same size;

So, this isn't just Pi r2, This is something new.

"Oh, it's gotta be Pi r2 and round, that's it,"

And he did it in his own unique perspective way.

So, now I know not all of you are  necessarily mathematically gifted,

so, let's move on to some more interesting stuff.

By now you might have heard about Isaac Newton in your High School career.

You might have heard  about him from prisms

So, in 1665, Isaac Newton was at the University of Cambridge.

Now, for those of you who really know your history,

at that time Cambridge had closed due to the plague.

So, Isaac Newton,  he didn't have a way to learn.

He had to stop learning, and he was probably,

hiding in a dormitory with  his cat running from the plague.

Now, while he was doing this  he decided he had to stop learning,

OK? So, because of that he was thinking about this problem in astrophysics.

And specifically I think he wanted to calculate

so I sort of revamped that problem into the case of Mercury around the Sun.

What he did was, in order to solve this problem he created calculus,

Newton's three laws,  the universal law of gravitation,

the reflecting telescope  to check his work, and optics,

and all this crazy stuff in that two years that he had stopped learning.