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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

2J1JM3H Patterns in a pond. Cropped shot of a finger touching water to form ripples.

Physics

Why virtual particles don’t exist but do explain reality – for now

So-called virtual particles aren't particles at all. Some argue that they are merely mathematical figments, and that we need to find a better way to understand particle interactions

Features

CE8NB6 Illustration showing galaxy giant whirlpool in space galaxy's effect on space image shows how gravity galaxy warps local

Physics

To create a wormhole that doesn't collapse, you need exotic matter

Features

Finely ground coffee is dispensed into an espresso filter

Physics

Unevenly packed coffee to blame for weak espresso, say mathematicians

News

Physics

Weird particle that remembers its past discovered by quantum computer

News

A dense collection of stars covers the view. Towards the centre the stars become even more dense in a circular region, and also more blue. Around the edges there are some redder foreground stars, and many small stars in the background.

Physics

Why darkness between stars reveals more about the universe than light

News

Do we live in a hologram? Why physics is still mesmerised by this idea

Physics

Do we live in a hologram? Why physics is still mesmerised by this idea

Features

Physics

Quantum computers could simulate a black hole in the next decade

News

Physics

Exotic cosmic objects in string theory may look like leaky black holes

News

Physics

We finally know why bubbles rise in a straight line in champagne

News

Why we must inspire people with the magic of condensed matter physics

Physics

Why we must inspire people with the magic of condensed matter physics

Condensed matter is a huge field of physics that gets less attention than it deserves. We must show people its subtle magic if we are to draw in a diverse set of researchers for the next generation, says Felix Flicker

Comment

Physics

How can we prove the world is really quantum mechanical?

Comment

Physics

2D crystal of ultracold charged atoms is biggest ever created

News

Physics

Strange quantum effect observed in unusually large object

News

Physics

Physics confirms the best way to make a playground swing go higher

News