The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...

A survey of Scientific American’s century of quantum coverage helps explain the enduring popularity of strange physics ...

The measurement problem in quantum mechanics looks at how an experimental outcome changes, simply by observing it.

Amid high expectations for quantum technology, a new paper in Science reports a proven quantum advantage. In an experiment, ...

Believe it or not, the quantum vacuum... isn't completely empty. It has tiny vibrations or “sparks” of energy. If an object ...

Today (April 14) marks 2025's World Quantum Day, an international celebration held to promote public understanding of quantum science. The date, 4/14, was chosen because 4.14 represents the first ...

One often-repeated example illustrates the mind-boggling potential of quantum computing: A machine with 300 quantum bits ...

Scientists have linked nuclear spins inside silicon chips, marking a leap toward scalable quantum computers. Engineers at UNSW have achieved a major breakthrough in quantum computing by creating what ...

Quantum mechanics is one of the most successful theories in science — and makes much of modern life possible. Technologies ranging from computer chips to medical-imaging machines rely on the ...

The Irish mathematician and physicist William Rowan Hamilton, who was born 220 years ago last month, is famous for carving some mathematical graffiti into Dublin's Broome Bridge in 1843.

Another major quantum computing record has been broken, and by a considerable margin: physicists have now built an array ...

Since the 1990s, evidence has been growing that quantum computers should be able to solve a range of particularly complex computational problems, with applications in everything from supply chain ...