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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...

Publication date:
2010 to date

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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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Publication date:
2010 to date

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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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African Drumming Workshops - Maths & Music

Using maths to identify patterns is not easy to understand for children and adults alike.  I have discovered the perfect way to teach pattern recognition.  I work with the well-known and internationally recognised team of Ghanaian drummers (www.one-drum.org) who run national...

Publication date:
13 February 2019

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How to Become a Programmer

Over the last decade, few jobs have become as in demand as that of the programmer. Needed by firms in virtually every industry around the world, programmers have an incredible level of freedom to take their careers wherever they please, as this...

Publication date:
12 February 2019

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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...

Publication date:
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...

Publication date:
2010 to date

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THE BENEFITS OF PLAY

THE BENEFITS OF PLAY

An occasional paper by

Dr William Lockitt

Intended audience:

The paper is aimed at raising awareness to the importance of play in education and highlight some of the current research available. It is...

Publication date:
28 November 2018

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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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