A simple model of a toilet tank illustrates how it flushes with no mechanical parts other than a flap.
Subjects: Technology
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Making Silk and Nylon
Silk has been a valuable fibre for over 5000 years. Nylon was developed as the modern synthetic substitute. It’s remarkably easy to create fibres of both!
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Build a Carbon Microphone
A box and a piece of carbon will get you started on creating a working microphone!
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Making a Crystal Radio
It’s a flashback to the fifties, as we tune in local AM radio stations with our home-built, battery-free crystal radio.
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Build a Simple Motor
Build a simple motor and learn how the interplay between a magnet and an electrical current makes the motor spin.
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Building the Original Battery
Build a working replica of the basic electrochemical cell – the voltaic pile – constucted by Alessandro Volta in 1800, the world’s first battery.
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Fruit and Vegetable Power!
Use ordinary fruit and vegetables to create a simple functioning battery.
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Build a Simple Electric Guitar
A powerful magnet is the essential component for getting the classic rock and rool guitar sound!
