So that's the flap, and all the rest of the paper's left over.

What paper went into that flap?

How would you make a single flap?

We're going to learn how to make one flap.

Well, there are other ways of making a flap.

I didn't have to try to flap my wings.

Or, change in y over change in x.

It's very complicated, but it turns out they flap their wings very quickly.

And if I make the flap from the middle, it uses a full circle.

They do change over time.

If I put the flap on the edge, it uses a half circle of paper.

And you can see there, it needs a quarter circle of paper to make a flap.

So, no matter how I make a flap, it needs some part of a circular region of paper.

And over and over again, as I interviewed them and spent my days with them, I did hear stories of life change and amazing little details of change.

If I make the flap as skinny as possible, I get to the limit of the minimum amount of paper needed.

And you can see, over time, the ways the airports change.

I hope that's going to change over the next few years.

And that grows over time dynamically with the threat of climate change.

Knowledge and expertise about early childhood are not static but change over time.

The U.N. you know, they took 20 years just to add a flap to a tent, but I think we have some more exciting things.

Mentalities would not change overnight Turkish society would have to be educated over time.

The relationship of the credits and debts of the insurance company taken over shall not change as a result of the take over.

Over now you do the change in x two minus, this is also negative three.

Perceptions, threats and challenges obviously change over time, and they will continue to do so.

Over the past few years, we have witnessed considerable change in attitudes towards nuclear energy.

23.3 OHCHR has undergone considerable change in its short history of just over 10 years.

So, obviously, the technology is here today, and, over the next several years, that will change.

The magnitude and impacts of desertification vary greatly from place to place, and change over time.

Clean technology is a concept of relative environmental performance, which is subject to change over time.

And from that stick figure, I somehow have to get to a folded shape that has a part for every bit of the subject, a flap for every leg.

And we tackle this problem by building giant, dynamically scaled model robot insects that would flap in giant pools of mineral oil where we could study the aerodynamic forces.

Over the past ten years, people have become increasingly aware that they need to change their eating habits.

This provision, reflecting no change over the 2005 resources requirements will be used to extend the current subscriptions.

Over the next few years I was drawn more and more into trying to communicate the urgency of a change in energy policies, while still researching the physics of climate change.

Many Parties also reported on plans to incorporate or integrate climate change concerns and issues into their planning processes as a strategy for adaptation to climate change over the long term.

Well, if I unfold it and go back to the crease pattern, you can see that the upper left corner of that shape is the paper that went into the flap.

Then shall his mind change, and he shall pass over, and offend, imputing this his power unto his god.

Then shall his mind change, and he shall pass over, and offend, imputing this his power unto his god.

This provision, reflecting no change over the 2005 revised estimates, will be used to extend the current Nomadic facilities.

This provision is budgeted to upgrade existent software equipment and reflects no change over the revised 2005 budget requirements.

And the defenders began to take cases over and over again and you will see, they have step by step began to change the course of history in Cambodia.

Take a square. Fold it in half, fold it in half, fold it again, until it gets long and narrow, and then we'll say at the end of that, that's a flap.

Over two thirds of global rainfall occurs in tropical areas, producing one of the main sources of global climate change.

I have no wish to change the club's ethos or embark on an unsustainable spending spree, he said upon taking over.

So Erez and I were thinking about ways to get a big picture of human culture and human history change over time.