Plus.Maths.org
List by Author: Marianne Freiberger
The holographic principle 
Over the last few decades physicists have been developing a curious idea. Perhaps the world we inhabit is a hologram, lacking a crucial feature of the world as we perceive it: the third dimension.
e for exponential 
At the beginning of an epidemic the number of infected people grows exponentially. But why does the number e appear in descriptions of this growth?
The doubling time of a disease 
The doubling time of a disease is the time it takes for the number of cases of the disease to double. How do you calculate it?
Meat free meat with maths 
Don't like plant-based meat alternatives, but want to spare animals and the environment? There's hope on the horizon, aided by a good helping of maths.
Spheres within spheres: A journey through many dimensions 
We guide you through an exciting recent breakthrough in the world of topology, involving something called the telescope conjecture.
Spheres within spheres: Simplicity and failure 
We continue our exploration of the telescope conjecture.
What is symplectic geometry? 
This beautiful version of geometry was developed to keep track of things that move! Here's a very brief introduction.
A very old problem turns 30! 
Andrew Wiles's proof of Fermat's Last Theorem solved a centuries-old problem by opening a door onto the future of mathematics.
A practical guide to writing about anything for anyone! 
Some practical tips to help you when you need it most – when you are sitting at the keyboard, ready (or perhaps not so ready) to put your ideas on the page!