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Quantum computing

Analysis and Comment (14)

Artist’s impression of an electron wave function (blue), confined in a crystal of nuclear-spin-free 28-silicon atoms (black). The spin of the electron encodes a long-lived, high fidelity quantum bit. Artist’s impression of an electron wave function (blue), confined in a crystal of nuclear-spin-free 28-silicon atoms (black). The spin of the electron encodes a long-lived, high fidelity quantum bit. Dr Stephanie Simmons, UNSW Australia

Quantum computing poised for new silicon revolution

A dramatic increase in the amount of time data can be stored on a single atom means silicon could once again play a vital role in the development of super-fast computers. The silicon chip revolutionised…
As hard to understand as the movie The Matrix. As hard to understand as the movie The Matrix. jurvetson

Quantum tech disappoints, but only because we don’t get it

Over the next five years, the UK government will spend £270m on supporting research in “quantum technology”. When budget announcements were made in 2013, provisions for offshore wind and shale gas extraction…
Darth Vader’s stormtroopers haven’t figured it out. Darth Vader’s stormtroopers haven’t figured it out. rpenalozan

To test the effect of gravity on quantum entanglement, we need to go to space

There is an up-and-coming set of technologies that uses the strange properties of atomic particles predicted by the theory of quantum mechanics, which is the physics of the very small stuff. This technology…
Revelations of a quantum world. Revelations of a quantum world. ox4photos

X-ray vision for road diggers: the next quantum leap?

Quantum mechanics has been hailed as the next big thing in technology. And quantum computers are a media favourite. But there is a little-known quantum technology that can peer beneath the earth, which…
Quantum computers are no longer a science fiction dream, thanks to the work of researchers such as Andrea Morello. Quantum computers are no longer a science fiction dream, thanks to the work of researchers such as Andrea Morello. UNSW/Peter Morris

Qubits and pieces: in pursuit of quantum computing

The Prime Minister’s Prizes for Science recognise excellence in science and science teaching. This year, we asked three prizewinners to reflect on their work and factors that influenced their careers…
The next big thing: is quantum computing close to being a commercial reality? The next big thing: is quantum computing close to being a commercial reality? Image from www.shutterstock.com

Quantum computers: coming to a store near you?

Mike Lazaridis, founder and former CEO of BlackBerry, may be forgiven for not having the foresight of recognising the threat that the iPhone and Android smartphones would pose to his business. However…
A world-first in qubits has brought quantum computers a step closer. A world-first in qubits has brought quantum computers a step closer. ffejery

Computing 1-0-1: quantum information in an atom’s core

You’ve heard of quantum computers – they harness the power of atoms and molecules to perform memory and processing tasks; they exist in labs but are still a long way off in practical terms. But maybe they’re…
“Most people just get used to the concept and get on with their lives.” “Most people just get used to the concept and get on with their lives.” Roger McLassus

Explainer: what is wave-particle duality

Our notion of reality is built on everyday experiences. But wave-particle duality is so strange that we are forced to re-examine our common conceptions. Wave-particle duality refers to the fundamental…
One day we may have a global quantum internet. One day we may have a global quantum internet. Robert Couse-Baker"

Explainer: quantum computation and communication technology

What is a quantum technology? Quantum mechanics is the branch of physics that explains the behaviour of matter and energy at the atomic scale. So does “quantum technology’’ just mean technology based on…
A world-first image with implications for everything from quantum computing to microbiology. A world-first image with implications for everything from quantum computing to microbiology. Kielpinksi Group/Centre for Quantum Dynamics

Snapping an atom’s shadow? Now that’s a first

As the image above illustrates, my colleagues and I at Griffith University have been able to photograph the shadow of an atom for the first time – the culmination of five years of work by our team. The…
Developments on the atomic scale are set to open a whole new world of problem solving. Developments on the atomic scale are set to open a whole new world of problem solving. ~jjjohn~

Compute this: the quantum future is crystal clear

Supercomputers have enabled breakthroughs in our ability to tackle a huge array of problems, from detailed studies of protein folding, to the dynamics of the Earth’s atmosphere and climate. Current research…
Have we reached the limit of how small computer hardware can be? Have we reached the limit of how small computer hardware can be? Mullenkedheim/Flickr

Double or nothing: could quantum computing replace Moore’s Law?

Ever noticed that computers become outdated remarkably quickly? It’s nice to have increasingly powerful computers available, and very profitable for the computer industry to have a new model available…

Research and News (3)

Research Briefs (8)

A new record for quantum entanglement

In a significant step forward, researchers have created a quantum system entangling eight photons, eclipsing the previous…