Engineering Timelines - explore ... how

How to make electricity

Michael Faraday and the history of electricity

Faraday was one of the founding fathers of electrical engineering.
He discovered the principle of the electric motor and invented the transformer and the generator. His work underpins our modern world ...

introduction • the command of electricity • Faraday's work ....... biography of Faraday >
switching on the kettle • supplying electricity • an electrical conversation
history of public supply • electrical timeline • definitions

How to fly

The equations of flight

Just how does a plane stay in the air?
And if I want to build a human-powered flying machine, how big do the wings need to be? Well, read on ...

wing area & weight • weight & velocity • finesse & power • human powered flight

How to build Stonehenge

Moving large stones in the Neolithic Age

How do you raise a 40 tonne stone using only manpower?
Practical experiments show that it's possible. More ...

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