## How to Make Square Wheels?

You may not be able to put a square peg in a round hole—but you can make a square wheel roll on a round road.Square wheels roll smoothly on a…

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# DIY Type: Geometry

## How to Make Square Wheels?

## How to Construct the Spiral of Theodorus?

## How to Make a Harmonograph?

## How to Show the Area of a Circle is πr^2?

## How to Make Giant Cardboard Windball

## How to Make Moiré Patterns

## How to Make the Missing Square Puzzle

## How to Make Lego Menger Sponge?

## The Visual Proof of the Area of a Circle

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You may not be able to put a square peg in a round hole—but you can make a square wheel roll on a round road.Square wheels roll smoothly on a…

- Geometry ,
- Mathematics ,

The spiral of Theodorus is a spiral composed of right triangles. Hundreds of years ago, Theodorus of Cyrene constructed continuous right triangles and got a beautiful spiral. He used that spiral to…

- Geometry ,
- Mathematics ,

This project belongs to a computer graphics artist and researcher, Karl Sims, who is best known for using particle systems and artificial life in computer animation. A harmonograph is a…

- Construction ,
- DIY ,
- Engineering ,

An amazing do it yourself project to prove the area of a circle is π x r². Ingredients: Pencil Markers Sheet of paper Compass Scissors Ruler Pen Step 1 Step…

- DIY ,
- Geometry ,
- Mathematics ,

Makedo Windball is a simple, yet unique geometry project. Basically, all you do is assemble simple cardboards and turn them into a kind of art form. The main idea behind…

- Construction ,
- DIY ,
- Geometry ,

Have you ever looked through an electric fan and seen a shimmering pattern of light and dark areas around the center? This is a type of optical illusion called a moiré (pronounced mwar-ay).…

They say seeing is believing, but sometimes your eyes can trick you! Download the printable puzzle and discover how a bit of math can help you figure out the solution. Ingredients:…

An intriguing fractal shape, build from Lego. This guide is in response to the comments Marquis de Geek has received from the original posting on his Lego Menger Sponge page. Ingredients: Lego…

In geometry, the area enclosed by a circle of radius r is π r2. Here the Greek letter π represents a constant, approximately equal to 3.14159, which is equal to the ratio of the circumference of any circle to its diameter. Ingredients: Chain Ruler Step 1…

- Geometry ,

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