Quantum Computing34 articles archived since 1845

Quantum Slits Open New Doors

An update to the classic “double-slit” experiment paves the way toward a novel strategy for quantum computing

The Quantum Gold Rush

The science is immature, and a multipurpose quantum computer doesn’t yet exist. But that isn’t stopping investors from pouring cash into quantum start-ups

Quantum Computer Made from Photons Achieves a New Record

The limited system made a notable advancement on the road to beating classical machines

Hands-On with Google’s Quantum Computer

Staking its claim for “quantum supremacy,” the company pulls back the curtain on its landmark Sycamore chip

Google Publishes Landmark Quantum Supremacy Claim

The company says that its quantum computer is the first to perform a calculation that would be practically impossible for a classical machine

New Encryption System Protects Data from Quantum Computers

As quantum computing creeps closer, IBM successfully demonstrates a way to secure sensitive information

Beyond Quantum Supremacy: The Hunt for Useful Quantum Computers

With decades still to go until the first general-purpose quantum computers, the race is on to make today’s systems useful

The Quantum Internet Is Emerging, One Experiment at a Time

Breakthrough demonstrations using defective diamonds, high-flying drones, laser-bathed crystals and other exotica suggest practical, unhackable quantum networks are within reach

Is the U.S. Lagging in the Quest for Quantum Computing?

U.S. government funding is needed to sustain the arduous journey toward a practical quantum computer, experts say

How Close Are We—Really—to Building a Quantum Computer?

Intel’s head of quantum computing talks about the challenges of developing algorithms, software programs and other necessities for a technology that doesn’t yet exist

Quantum Computers Compete for “Supremacy”

Two technologies may be on the verge of surpassing even the most powerful digital computers in a year or so, but key challenges remain unsolved

China Shatters “Spooky Action at a Distance” Record, Preps for Quantum Internet

Results from the Micius satellite test quantum entanglement, pointing the way toward hackproof global communications

Tangled Up in Spacetime

Hundreds of researchers in a collaborative project called “It from Qubit” say space and time may spring up from the quantum entanglement of tiny bits of information

How Quantum Computers Work [Video]