
Quartz Watch
Bill takes apart a cheap watch to show how it works. He describes how a tiny quartz tuning fork keeps the time.
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Queueing theory
Bill introduces queueing theory and uses it to design the most efficient check out line
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Radiation in Your Kitchen: Basic Microwave Oven Physics
They're awesome to have in the kitchen, but did you ever wonder how your microwave actually works? This is a quick introduction to the theory that makes our home microwave ovens possible. Here, Daniel covers the differences between microwave heati....
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Science and Art make comfortable bedfellows
With portrait painter Peter Edwards, Sir Harry Kroto discusses his love of art and science.
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Seawater Battery
When two different metals are placed in a salt solution (an electrolyte) the chemistry produces a voltage. This is called a cell. By wiring up a number of these cells we can make a battery and use it to power electrical circuits.
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Secret Science – Invisible Ink
An introduction to acids and bases using simple kitchen equipment and some 'invisible ink'.
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Shake-a-Gen
This is a simple yet effective demonstration of electricity generation. 500 turns of wire are wound onto a 35mm film can and the two ends are attached to an LED light. A strong magnet is placed in the can and the lid fixed back in place. The generato....
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Simple and Compound Interest

Simple Electrical Generator
With some simple circuitry and a homemade hand powered generator Jonathan makes AC and DC electricity that could be used for charging a mobile phone or attaching to a wind turbine.
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Solar Cells
A short video on solar cells explaining with accompanying information sheet. How they work and how Jonathan uses solar power at home.
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