But what if we were to factor out a negative 1 from this?

From n is equal to zero.

So it went 600 meters.

Nothing happens for a long period of time, and then whack!

There will be a lunar eclipse tomorrow.

So think about a cop.

What happens then?

So we get x 42

And really slowly, slowly, slowly, it happened.

I have leg cramps.

13 4, I'll be able to subtract there.

The dollar might devalue.

In some countries all of those things happen at once,

So, the proton comes somewhere else... it has to come closer.

In 6 minutes, Alice overtakes Bill.

That all of a sudden nothing happens for a long period of time and then bam!

And what do you know?

Imagine you're shooting a video, a phone call comes in a wipes out all you data.

Remember this fact for later!

So thatà   s one of the reasons.

3 times.

What happened?

There is something going on around here.

Yes, it happens from time to time.

I'm going to rock the boat.

And notice, I mean, we just said what happens when you put food into Sal.

But it counts as a plate appearance.

And what does that equal?

You know what this is.

If we look ahead, these kind of changes are going to be increasingly possible.

Sir, I'm sorry to wake you, but something's happened.

lectures at Princeton is they allow us to say something about why stuff happens.

It happened in Rome.

Then I said, Where does it go?

What happens if we just multiply the x minus 6 by that first negative 1?

I want to draw it a little bit bigger than that, and you'll see why a second.

But if you add cues and this is just one of many kinds of cues that can lead to these kinds of illusions, this very strong optic blur cue then you're going to perceive instead exactly how it will appear in the next moment.

We can also see blooms of bacteria, blooms of viruses in the ocean.

I have labor pains every thirty minutes.

But when you take it off that's when the real action happens.

Their plumbing system turns off, so the sites have to move.

And we were just at the beginning of the story.

Now, if I take smaller and smaller values of tau, what's going to happen?

Now, if you don't follow these rules, you can get into a little trouble.

Now, what does this continue command actually do?