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The afterglow of the Big Bang

Is there an 'echo' of the big bang? The story...

The Origin of the Constellations

Who invented the constellations? The constellations that we use to...

Cosmology of Ultimate Concern

Where is everybody?

Are we alone? The universe is very big. Why do...

A Sense of Balance

Why do tightrope walkers always carry long poles? What is...

Brilliant-cut diamonds and other tricks of the light

Simple mathematics revealed how to cut diamonds so as to...

The Maths of Sorting Things Out

What is the best way to pack? Some examples of...

Codebreaking in Everyday Life

Everything we buy, from books to baked beans, has a...

Trains and Boats and Planes

Simple maths can reveal how energy efficient different forms of...

The Boyle Lecture: The Legacy of Robert Boyle - then and now

The revival of the Boyle Lectures in recent years has...