Date20th, Dec 2019

Summary:

At a gathering of quantum computing experts from around the world, nobody seemed quite sure what quantum computers will be good for – if anything at all

Full text:

Technology 20 December 2019
IBM Q quantum computer

IBM is one of many firms developing quantum computers

IBM Research

Quantum computing is booming, but is it a bubble? At a gathering of experts on this technology in California last week, nobody seemed to know how, or even if, it will turn out to be useful. The race for quantum supremacy may be over, but the race for a useful quantum computer is still on.

Quantum supremacy refers to the point at which a quantum computer can solve a problem that no classical computer could in a reasonable amount of time – a …

Existing subscribers, please log in with your email address to link your account access.

Paid quarterly

Inclusive of applicable taxes (VAT)

MORE FROM NEW SCIENTIST

A photograph of the optical table on which a quantum computer, made from specially engineered diamonds, can very efficiently cool itself just by performing calculations.

Quantum computer cools itself down by performing calculations

Aerial view of Chicago, Illinois

AI predicts crime a week in advance with 90 per cent accuracy

EJ6958 Male looking at the website of Reddit

Reddit moderators do $3.4 million worth of unpaid work each year

Someone logging into a website

75 per cent of the world's top websites allow bad passwords