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A simulation of gravity showing curved space-time. The ball represents the sun and is resting on a sheet of plastic that stretches under its weight. The curved sheet of plastic demonstrates the way a gravity curves space.

Physics

The massive problem of trying to fully explain what mass actually is

I can take it as a given that people have an intuition for the meaning of mass, but traditional explanations can feel unsatisfactory. Even the standard model doesn't give us all the answers, says Chanda Prescod-Weinstein

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Technology

Microsoft says its weird new particle could improve quantum computers

News

An employee among mining rigs at the Evobits crypto farm in Cluj-Napoca, Romania

Technology

Quantum computers could slash the energy use of cryptocurrencies

News

Technology

IBM quantum computer beat a supercomputer in a head-to-head test

News

Couples are less likely to physically collide with others than friends

Technology

Couples collide with fewer people on walks than pairs of friends do

News

Snakes are quite quantum, mathematically speaking

Life

Wiggly worms and quantum objects follow surprisingly similar equations

News

Extremely cold drop of helium can be levitated forever

Physics

Extremely cold drop of helium can be levitated forever

News

Quantum computers could be built that are based on sound

Physics

Sound-based quantum computers could be built using chip-sized device

News

The are thosands of small pieces of junk orbiting Earth (as well as thousands of satellites)

Physics

Quantum sensors could detect space debris from its gravitational pull

News

Sunlight coming out of the optical fibre

Physics

Sunlight could cool an atom to its coldest possible temperature

Sunlight transmitted through an optical fibre could be used to help cool a single charged atom to a temperature only a few millionths of a degree above absolute zero

News

Technology

'Fluxonium’ is the longest lasting superconducting qubit ever

News

Space

Lab imitations of the unobservable cosmos can be genuinely insightful

Leader

Space

Questions I dread: How did the universe begin, and what is space-time?

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Physics

Fundamental law of physics demonstrated using quantum objects

News