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Olympic Alloys

This Catalyst article looks at metals and alloys which play an important role in construction at the Olympic site, both in sports equipment and in medals. Designers must consider the properties of the materials used to make both sports equipment and buildings. These include strength, density, toughness, ductility...

What Is Geothermal Energy?

Geothermal energy is the heat produced by decay of radioactive isotopes deep within the Earth. The temperature at the centre of the Earth is thought to be around 5,000°C, with the temperature reducing toward the surface. It is estimated that 99.9% of the planet is above 100°C. Geothermal energy is considered a...

Acoustic Engineer

This Catalyst article looks at the career of Nick Treby who works around the world as an acoustic engineer, monitoring and managing sound levels in the environment. The article is from Catalyst: Secondary Science Review 2014, Volume 24, Issue 4.

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Fire Engineer

This Catalyst article looks at the work of fire engineers whose aim is to minimise the threat of fire and to protect people when fire breaks out. The article is from Catalyst: Secondary Science Review 2014, Volume 24, Issue 4.

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