How It Works UK - Issue 198

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How a piano works - Traditional pianos create a sound that needs no electronic amplification. How do electric keyboards compare?

Building the world’s deepest car park - Australia’s Sydney Opera House is marvelled at from ground level, but its spiral substructure is a hidden gem.

How It Works UK Magazine Description:

The magazine that feeds minds, Welcome to How It Works, the magazine that explains everything you never knew you wanted to know about the world we live in. Loaded with fully illustrated guides and expert knowledge, and with sections dedicated to science, technology, transportation, space, history and the environment, no subject is too big or small for How It Works to explain.