These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

LED Lighting: a Bright Future

A Catalyst article about light emitting diodes and how they are more energy efficient than existing light bulbs which waste most of the energy they receive. The article explains how LEDs work and how they can be applied in traffic lights. Creating white light from LEDs is difficult and the article looks at possible ways of doing this.

This article is from Catalyst: GCSE Science Review 2003, Volume 13, Issue 3.

Catalyst is a science magazine for students aged 14-19 years. Annual subscriptions to print copies of the magazine can be purchased from Mindsets.

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