Listing all results (231)

Oil Refining

This Catalyst article looks at oil production in Trinidad and Tobago. The oil refining process and method are explained. The article also investigates the resulting human impact on the environment.

This article is from Catalyst: GCSE Science Review 2003, Volume 13, Issue 4.

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Publication date:
2000 - 2009

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QTC - Making the Most of a Novel Material

A Catalyst article about Quantum Tunnelling Composite, a material discovered in 1997 and whose resistance decreases dramatically under pressure. How does it work and what uses will it have? The material has been carefully characterised (to understand its composition and how it works), and its first applications...

Publication date:
2000 - 2009

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Using shape memory alloys

A Catalyst article describing the use of smart materials to help people with disabilities. Many more people with physical and mental disabilities are leading independent lives at home, thanks in part to recent technological developments. The article focuses on one project which makes use of smart materials to help...

Publication date:
2000 - 2009

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Fireworks: an Explosive Business

This Catalyst article looks at fireworks and their history, how they are made and set off, and what gives them their colours and effects. The basic chemistry used in fireworks is looked at and how they work once the fuse is ignited.

This article is from Catalyst: GCSE Science Review 2002, Volume 13, Issue 2...

Publication date:
2000 - 2009

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Arctic Survey: The Navigation Toolkit

This toolkit, from the Plus magazine's collaboration with Arctic Survey Education, explores the navigational aspects of the expedition, including questions surrounding cartography and Global Positioning (GPS) systems. The toolkit can be download as a whole or as individual components. The individual components are...

Publication date:
2000 - 2009

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Ageing

This opinion piece was written by an Economic and Social Research Council (ESRC) funded researcher to provoke debate and discussion about the issue of ageing. The piece was written for the Debating Matters competition, which the ESRC sponsors, and discusses vital questions about whether extending the human lifespan...

Publication date:
2000 - 2009

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Exploring Saturn

A Catalyst article following the journey of the space probes Huygens and Cassini, sent to explore Titan, a moon of Saturn. After a seven year journey Huygens was set to fall through the atmosphere transmitting data back to Earth via Cassini so more can be learnt about this distant moon. The article describes the...

Publication date:
2000 - 2009

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Impact Earth

A Catalyst article about giant asteroids. Astronomers say that, one day, a giant rock from space will collide with the Earth and cause mass devastation. This could lead to the extinction of many species, including humans. The article looks at what can be done to prepare for such an impact and what happened when a...

Publication date:
2000 - 2009

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Evolution

Published by the Wellcome Trust, the 'Big Picture' explores issues around biology and medicine. Why does Darwinian evolution raise controversy when, say, quantum mechanics scarcely registers on the public consciousness?

This issue of 'Big Picture' looks at the theory of evolution, the evidence that supports...

Publication date:
2000 - 2009

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Food additives

A Catalyst article about food additives. Some additives are natural and some are manufactured by the chemical industry. Some, like vitamin C, can come from either natural or artificial sources. As with every other component of food all additives are chemicals. Even organic food can contain a certain number of...

Publication date:
2000 - 2009

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