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Printing in Three Dimensions

This Catalyst article looks at 3D printing, a new technology which is rapidly finding applications. Although probably too slow for mass production it is useful for producing prototypes and tailor-made items. In a 3D printer, layers of polymer beads are printed one on top of the other. Heat melts the polymer beads...

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Stephanie Kwolek - Polymer Chemist

Stephanie Kwolek invented the tough polymer Kevlar, used in protective clothing and developed a method for demonstrating the production of nylon in the classroom which is still used today.

The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 1.

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2010 to date

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Hydrogen Powered Cars

As the need to find alternative cleaner forms of energy increases, scientists are looking to technologies, such as Hydrogen Fuel Cells (HFCs), as a power source for transportation.

This Catalyst article explains how hydrogen and oxygen gas can be used in a redox reaction to produce electricity, and the...

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2010 to date

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Passive House

Heating accounts for over half of the energy used in homes in the UK. This Catalyst article looks at buildings designed to cut heating demand almost to zero. There are over 70,000 passive houses in Europe – just a few of them in the UK. To be described as ‘passive’, a house must meet strict criteria for energy use...

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2010 to date

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From flat-screen TVs to your smartphone

This article focuses on the practical uses of the element Boron, including its pivotal role in heat conservation, energy conversion and storage.

Catalyst is a science magazine for students aged 14-19 years. Find out more about Catalyst magazine: ...

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2010 to date

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Models of the Atom

This article investigates the history of models of the atom and discovers how, a century ago, scientists were devising models of the atom in an attempt to explain the limited evidence they had about the fundamental structure of matter.

The article is from Catalyst: Secondary Science Review 2015, Volume 25,...

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2010 to date

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Going into reverse?

This article investigates the Earth’s magnetic field and discusses, since it is weakening, if it could go into reverse?

The article is from Catalyst: Secondary Science Review 2015, Volume 26, Issue 1.

Catalyst is a science magazine for...

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2010 to date

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Catalyst volume 27 issue 3: full magazine

This issue of Catalyst contains the following articles:

Could purple tomatoes help us be healthier?

This Catalyst article looks at how tomato plants have been genetically modified so that they produce high levels of...

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2010 to date

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Tokamak Power

This Catalyst article investigates tokamaks. A 'tokamak' is a device for generating high-temperature plasma in which nuclear fusion can occur; this may form the basis of a new generation of power stations.

The article is from Catalyst: Secondary Science Review 2015, Volume 26, Issue 1.

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2010 to date

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What is Physics?

This Catalyst article discusses what physics is. Physics is a subject which seeks to answer fundamental questions about the nature of matter and the Universe in a self-consistent way.

The article is from Catalyst: Secondary Science Review 2015, Volume 26, Issue 1.

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