The clicking of a Geiger counter is well enough known as a signifier of radioactive materials, due to it providing the menacing sound effect any time a film or TV show deals with radiation. What we’re ...

From the historic Royal Institution, space doctor Kevin Fong takes us on a ride from launch to orbit and the cosmos beyond for the annual children's Christmas Lectures. Suitable for: KS3 and GCSE in ...

You might have heard of electrets being used in microphones, but do you know what they are? Electrets produce a semi-permanent static electric field, similar to how a magnet produces a magnetic field.

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