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Careers with maths
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Rupa Patel reflects to Plus on her work as a financial engineer

A favourite from the archive...
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When we finally meet the Martians, John Conway believes they are going to want to talk mathematics.

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March 2008
Tags

wavelength

Tags: lens : refraction : group velocity : phase velocity : refractive index : negative refractive index : Snell's Law : wavelength : Maxwell's equations of electromagnetism


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We take reliable radio communications for granted, but accommodating many different users is not easy. Robert Leese explains how the mathematics of colouring graphs can help avoid interference on your mobile phone.

Tags: interference : frequency : wavelength : Fourier analysis : graph theory : algorithm : electromagnetism : radio wave : AM (Amplitude Modulation) : FM (Frequency Modulation) : channel assignment problem


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Researchers observe the Inverse Doppler effect for the first time.

Tags: phase velocity : wavelength : sound wave : Doppler shift