If you pull twice as hard on a spring, it stretches twice as far. However, when we introduce very large forces or complicated ...

Quantum computers are wondrous because they operate on the principles defined by quantum mechanics: ... schematic drawing of what the H2 computer looks like. It doesn't do it justice.

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings ...

A diagram of a quantum circuit used in the supremacy experiment. The circuit was running on the Sycamore processor as we spoke. ... Make a supercomputer simulate the quantum computer, ...

As IBM emphasizes, its quantum computer is a universal quantum computer—which D-Wave's is not. Another big difference: IBM can address and measure the state of each qubit individually.

A schematic of the Zuchongzhi-3 quantum computer processor. Image Credit: University of Science and Technology of China, Remigiusz Gora/Shutterstock, modified by IFLScience DOWNLOAD PDF VERSION ...

In the context of quantum mechanics and information, "magic" is a key property of quantum states that describes the extent to ...

D-Wave, a company based in British Columbia, has announced a new version of its quantum annealer: the D-Wave 2000Q. As the name suggests, the number of bits has increased from about 1,000 to just ...

In a milestone for quantum computing, researchers at ETH Zurich have demonstrated quantum teleportation in a solid-state circuit. Even more, they've broken something of a quantum speed record ...

In terms of energy savings, the researchers estimate that the cryptographic algorithm RSA-830 can be computed at speeds of 1 MHz in just one hour on their quantum computer using 120 kWh of energy.