## Distance and Displacement

Distance One of the most used concepts is ‘distance,’ which means the total distance actually moved. If you move in...

## Koch Curve

Koch curve Koch curve is a kind of fractal curve. It appeared in a 1904 paper titled ‘On a Continuous...

## Pythagoras Tree

The Pythagoras tree is a plane fractal constructed from squares. Invented by the Dutch mathematics teacher Albert E. Bosman in...

## Pascal’s Triangle

Pascal’s triangle is a triangular array of the binomial coefficients. Each number is the sum of the two numbers directly...

## Sierpinski Triangle

Sierpinski triangle is a fractal and attractive fixed set with the overall shape of an equilateral triangle. In this simulation,...

## C Curve

The C curve is a kind of fractal geometry. Bend each side 90 degrees. Bend this side again 90 degrees....

## Dragon Curve

A dragon curve is a piece of paper folded several times in the same direction as the picture and then...

## Hilbert Curve

A Hilbert curve is a continuous fractal space-filling curve first described by the German mathematician David Hilbert in 1891. Fractal’s...

## Sierpinski Curve

Sierpiński curves are a recursively defined sequence of continuous closed plane fractal curves discovered by Wacław Sierpiński. Fractal’s self-similarity Fractal...

## Multiple Reflections

What is an image? Our eyes are designed to sense where the light came from. Even if the light didn’t...

## Graph of Saturated Vapor 2

Water vapor in the air Liquid water can evaporate and turn into water vapor in the air. Conversely, water vapor...

## Convection

Convection When you boil water in the kettle, even if you heat only the bottom, the whole water becomes evenly...