# Category:How Things Work

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## DSN Animation: How do Mesmer tubes work?

This Design Squad Nation animation shows how Mesmer tubes work. Mesmer tubes use a high voltage electric current to hit

## DSN Animations: What are Fuses?

This Design Squad Nation animation shows how a fuse—a thin piece of metal—protects a circuit. If more electricity flows than

## 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 Animations: How do Musical Strings Work?

This Design Squad Nation animation shows how the frequency at which a string vibrates—its pitch—is affected by its length, tension,

## DSN Animations: What are Design Differences?

This Design Squad Nation animation shows two steering systems—a rudder and a set of fans—and watch how each one utilizes

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## DSN Animations: How do Sound Pipes Work?

This Design Squad Nation animation shows how sound is produced in a pipe (e.g., an organ pipe) and how the

## DSN Animations: What are Levers?

This Design Squad Nation animation shows the relationship between force and distance in a lever. For more Design Squad Nation

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## 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

## 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

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## 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: Wind Tunnel

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

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## 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