# Category:Educational

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## 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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## Fast Math Trick – How to multiply 2 two digit numbers – why it works!

This video looks at how the video on multiplying two digit numbers rapidly works, as well as looking at where

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## 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,

## Fast Mental Multiplication Trick – multiply in your head using base 10

This mental multiplication trick uses the idea of a third number - a base number - to help us multiply

## 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

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## 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