Creative Science Centre
Creative Science Centre: Experiments With Homemade Batteries
Simple homemade batteries are described that can be made from items found in the home or school lab. These experiments help students understand how to wire them up, the origin of current, voltage and power, as well as the chemistry that...
Creative Science Centre
Creative Science Centre: A Voice on a Sunbeam
Here is described a simple process to 'put a voice on a sunbeam' and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. It then describes how the modulated light is detected...
Creative Science Centre
Creative Science Centre: Demonstration of Radio Waves Generated by Mobile Phone
Described is a simple low cost home-made device that converts the radio wave energy from a mobile phone signal into electricity to light an LED. No battery or complex circuitry is required. The device can form the basis of a range of...