# maths answers

### Complex numbers: Why do we love them?

Have you ever wondered what complex numbers are good for, both within and outside of maths? Find out with this collection of articles and videos.

### Energetic maths

Producing electricity securely, safely, reliably and cheaply has many challenges. Chris Budd explains that the answer to many of these issues is maths.

### Stuff happens: Listening to the Universe

Gravitational waves have opened a new window on the Universe. Find out what they are, how they were detected, and what they promise to reveal.

### Maths on a boat: Young researchers at the Heidelberg Laureate Forum

Young researchers at this year’s Heidelberg Laureate Forum tell us about their work.

### Stuff Happens: Ordering history in computer science

Our digital lives rely on distributed computer systems, such as the internet, but understanding the order of events in such systems is not always straightforward.

### Fourier transforms of images

How to make images out of ripples of pixels.

### Women of mathematics

Celebrate female mathematicians with this selection of interviews and videos, which accompany the *Women of Mathematics* photo exhibition.

### Who s watching: Context is everything

Imagine your weight depended on the colour of your underwear! Something quite similar may be happening when you are measuring things in quantum physics. Find out more here.

### Strategic dating: The 37% rule

Are you stumped by the dating game? Never fear — *Plus* is here! This article looks at one of the central questions of dating: how many people should you date before settling for something serious?

### Fantastic Fibonacci

Bees do it, rabbits do it, and luckily, we humans can do it too: explore the famous Fibonacci sequence!

### Smale s chaotic horseshoe

Want to understand chaos? Then have a look at this famous brainchild of the mathematician Stephen Smale.

### Maths goes to the movies

Got your popcorn? Picked a good seat? Are you sitting comfortably? Then let the credits roll.

### Missing a complex opportunity

How Heron of Alexandria missed his chance to explore the unknown mathematical land of complex numbers.

### What is the Mandelbrot set?

This article gives a short but thorough introduction to that fabled beast of mathematics: the Mandelbrot set.

### Bach and the musical torus

In a previous article we found a Möbius strip in Bach’s music. This time it’s a doughnut shape.

### Gravitational waves get Nobel Prize

This year’s Nobel Prize in Physics has gone to Rainer Weiss, Barry Barish and Kip Thorne for their role in the detection of gravitational waves.

### Fighting future pandemics

### Quantum device solves very hard problem

Quantum particles that are both light and matter help solve infamous NP hard problems.