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Design and Technology Characteristics of Good Practice in Secondary Schools 1995

Produced in 1995, this publication, written by Ofsted at the request of the Department for Education, identifies some characteristics of good practice in Design and Technology at Key Stages Three and Four, and was aimed at those who are responsible for planning, organising and teaching Design and Technology in...

LEDs - Lighting Up a Brighter Future

A Catalyst article about devising better, more energy-efficient lighting. In particular the article focuses on LEDs. Like food, water, clothing and shelter, light is essential to daily life and is needed by most people for most of their waking hours. The article explains how LEDs work and how they are made.

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Biomimetics

A Catalyst article describing how new materials can be designed by studying natural materials and how they work. In particular the development of Velcro, military fabric, swimwear and waterproofing is looked at. These products were developed by scientific study of natural products such as plant burrs, pinecones,...

Starting a Greener Revolution

A Catalyst article looking at strategies for ensuring that there is a plentiful food supply in the future and how this can be sustained.

The article looks at three main areas for scientific investigation:

*Fertilisation

*Pest control

*Genetic modification

It also looks at...

Selling Science Short

A Catalyst article about a group of young scientists testing scientific claims in advertising. The group thought many claims sounded implausible. They decided to hunt for the scientific evidence behind them and challenge the manufacturers to explain how the products work. The article outlines the investigations...

Water Power: the Micro-Hydro Revolution

This Catalyst article is about a micro-hydroelectric power station on a river in Yorkshire. As oil prices soar and global warming threatens, the need for affordable green solutions to the energy crisis is ever increasing. Giant hydroelectric power stations, such as the Three Gorges Dam in China, will help to fulfil...

Darwin's Digital Children

This Catalyst article is about using computer models which use natural selection to evolve new products. Computers can be used to simulate evolution showing how some species die out and how others evolve and thrive. Products used by humans in everyday activities also evolve and this article describes how their...

Wave Power

A Catalyst article looking at renewable energy. To tackle climate change and all the challenges imposed by the need to find alternative and reliable energy sources, there is one major resource that has remained untapped until now: wave power. This article describes the size of this resource and presents the leading...

Would You Be a CLEVER Driver?

A Catalyst article about the CLEVER car, which has been designed to be a compact, energy-efficient car. As more and more people want to get about within cities and towns, the problems of congestion and pollution are increasing. Motorcycles and bicycles take up less space and produce fewer emissions than...

Do Mobile Phone Signals Harm Our Health?

A Catalyst article about people who believe that their health is affected by mobile phone radiation. The World Health Organisation has labelled this condition Idiopathic Environmental Intolerance with attribution to Electromagnetic Fields (IEI-EMF). Idiopathic describes a disease with no known cause. The article...

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