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The kilogram is dead. Long live the kilogram

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The kilogram is dead. Long live the kilogram

For decades, the kilogram has been defined by a lump of metal in Paris. It’s time for a makeover, say Ian Robinson and Perdi Williams of the UK’s National Physical Laboratory.

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Stephen Fairhurst: Gravitational wave hunting

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Stephen Fairhurst: Gravitational wave hunting

Video

Strange lines form a pattern

Physics

There is a weird new state of matter that can't be stirred or pushed

News

An explosion in space

Physics

The Higgs boson may have stopped the early universe from collapsing

News

Alice looks at cartoon cards

Mathematics

Physicists are turning to Lewis Carroll for help with their maths

News

Ivette Fuentes: How to build a quantum teleporter

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Ivette Fuentes: How to build a quantum teleporter

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Sean Carroll: The many worlds of quantum mechanics

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Sean Carroll: The many worlds of quantum mechanics

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Melissa Uchida: Neutrinos, the tiny particles with huge implications

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Melissa Uchida: Neutrinos, the tiny particles with huge implications

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Hangar One building

Life

2019 Breakthrough Prize winners set to receive share in $22 million

News

The legacy of Stephen Hawking

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The legacy of Stephen Hawking

Stephen Hawking did more in his lifetime to advance our understanding of gravity than anyone since Einstein – and much more besides. Join Martin Rees, Marika Taylor, Stuart Clark and Tom Shakespeare as they explore the legacy of the greatest physicist of our age

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Physics

There's a glitch at the edge of the universe that could remake physics

Features

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It has been a good/bad week for women in physics

Leader

Physics

Donna Strickland is the third woman ever to win a physics Nobel Prize

News

Comment

It is 2018, so why are we still debating whether women can do physics?

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