# Category:How Things Work

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## DSN Animations: How to Ollie – The physics behind the trick

In this Design Squad Nation animation, hosts Judy and Adam describe the steps necessary to perform, and the physics behind

## DSN Animations: What is Potential Energy?

This Design Squad Nation animation shows how raising an object against gravity increases its stored (i.e., potential) energy and how

## DSN Animation: Wind Tunnel

In this DSN Animation Adam and Judy explain how they will be able to learn the about lift, drag, and

## How Does a Zipper Work? | Design Squad

http://pbskids.org/designsquad/video/how-does-zipper-work/ Zip up! Watch as Deysi explains how the different parts of a zipper work together to

## DSN Animations: What is a Drag Plate?

This Design Squad Nation animation shows how a drag plate on a dogsled uses friction—a force that resists motion—to slow

## DSN Animations: Continuously Variable Transmission (CVT)

This Design Squad Nation animation shows how a CVT delivers varying levels of power to a wheel by changing the

## DSN Animation: What is a Solenoid Valve?

This Design Squad Nation animation shows how an electric current flowing in a coil produces a magnetic field. Explains how

## DSN Animations: What is Water Displacement?

This Design Squad Nation animation shows how the water displaced by a boat produces a force that pushes on the

## DSN Animation: Center of Gravity

In this Design Squad Nation animation, Adam and Judy explain the importance of finding a gilder's center of gravity in

## DSN Animations: How does a Laser Cutter work?

In this animation Judy explains how a laser cutter can be used to create intricate folding patterns in paper. By

## DSN Animations: What are Pneumatic Pistons?

This Design Squad Nation animation shows how compressed air can be used to move a piston rod back and forth.

## DSN Animations: How do Sails Work?

This Design Squad Nation animation shows how the air streams on each side of a sail move differently and generate

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## How Do You Charge a Cell Phone? | Design Squad

http://pbskids.org/designsquad/video/how-do-you-charge-cell-phone/ Power up! Nate demonstrates how to make a cell phone charger so you always have that

## DSN Animation: How do Engines Work?

This Design Squad Nation animation shows how an engine uses flowing air to draw fuel into a cylinder, where a