Tag: shapes

What Makes Bridges So Strong? | Engineering for Kids | STEAM | SciShow Kids

A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain — with blocks!

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SOURCES:
http://www.k5architecture.org/pdf/g2%20-%20Grade%202.pdf
http://www.pbs.org/wgbh/buildingbig/lab/shapes.html
http://www.childrensengineering.com/
http://www.design-technology.org/suspensionbridges.htm
http://wyrk.com/busiest-bridge-in-world-dales-daily-data/)

This Weird Shape Rolls Uphill Instead of Down

In this video I show you some objects the roll uphill instead of down. Then I talk about how it is possible and how it is still falling down.

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Gömböc—The Shape That Shouldn’t Exist

In this video I show you a Gömböc. This is a shape that has only two equilibrium points—one stable and one unstable, instead of the usual minimum of 4. It is self-righting no matter how you set it down.

.STL file for the Gömböc: https://www.thingiverse.com/thing:523643

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*Any experiment you try is at YOUR OWN RISK. The Action Lab assumes no responsibility for any injury if you attempt anything you see in this video or on The Action Lab channel.