# Ruler Drop: The Science of the Catch

This intriguing experiment tests the time it takes for the brain to process what it is seeing into reacting and taking an action.

This intriguing experiment tests the time it takes for the brain to process what it is seeing into reacting and taking an action.

This demonstration gives the illusion of mind reading using properties of odd and even numbers.

Create your own forest in a bottle requiring the minimum amount of maintenance. The ideal situation to understand photosynthesis and decomposition.

In this experiment you will observe the effects of different coloured light on plant growth.

The four colour theorem is a mathematical result from Graph Theory which says that **any** map can be coloured with four colours or less...

All numbers have an even number of factors, with the exception of square numbers. You will be able to show this visually in the following experiment.

This educative experiment is aimed to raise awareness about the devastating effects of ocean acidification on shelled marine organisms.

The Monty Hall Problem is a mathematical logical puzzle framed in terms of a game show. You are offered 3 doors, behind one of which lies a car, and behind the remaining doors 2 goats.

A fun and easy activity to introduce general programming concepts and to help anyone understand what an algorithm is using graph paper and markers.

A very simple and colourful experiment using candy to explore basic paper chromatography.

Understand the fascinating science of refractive indices by making glass disappear in a transparent liquid. This easy experiment will leave you speechless.

A demonstration which shows just how important the interaction between the human mind and a computer is by illustrating the Stroop Effect.

A fun and easy activity to introduce general programming concepts and to help anyone understand what an algorithm is using just graph paper and markers.

What is image compression? Learn how binary numbers can be used to create and send graphical images over computer networks.

Brown’s Criterion is an application of a result in Mathematics which takes advantage of the fact that numbers can be uniquely written in base 2.

Discover how tilt sensors work by building your own circuit using an Arduino board. Learn the science behind these nifty sensors. Starter code available.

Mix some colours using an Arduino Uno to control an RGB LED. Introduction to microcontroller programming. Sample code available. Great for beginners!

Demonstrating gyroscopic precession using a spinning wheel.

Discover where the Fibonacci sequence and the golden ratio, important mathematical concepts, are found in nature through this hands-on investigation.

This activity can be used to demonstrate the basic concepts of computer networks and explain how messages are relayed from one computer to another.