# List by Author: Ian Garbett

Radioactive decay and exponential lawsArguably, the exponential function crops up more than any other when using mathematics to describe the physical world. In the second of two articles on physical phenomena which obey exponential laws,

**Ian Garbett**discusses radioactive decay.
Light attenuation and exponential lawsArguably, the exponential function crops up more than any other when using mathematics to describe the physical world. In the first of two articles on physical phenomena which obey exponential laws,

**Ian Garbett**discusses light attenuation - the way in which light decreases in intensity as it passes through a medium.Count down to Christmas with maths!

Where do the magnetic fields of planets and stars come from?

- In this podcast Paul Shepherd tells us about the maths of football stadiums and why his work required him to listen to Belgian techno.
Amidst all the controversy of the FIFA World Cup 2022 there is also some football to be played. And where there's football, there's maths...

Tosin uses maths to guarantee the continued production of chocolate.