IBM’s latest quantum computer is a 20-qubit work of art

Last year, IBM hauled a 50-qubit quantum computer to CES. Or, rather, it brought the eye-catching bits — an intricate collection of tubes and wires that resembled a steampunk chandelier — and left the more cumbersome cooling and power-management parts at home. The complete system, housed at a research lab in Yorktown Heights, New York, […]

President poised to sign bill creating quantum computing initiative

Visions of an American quantum computing initiative are close to becoming a practical reality. The House of Representatives has passed its version of a bill that would establish a National Quantum Initiative Program and speed up the development of next-generation computing technology. Provided the President signs it into law (it cleared the Senate last week), […]

Conservation of energy used to parallelize quantum key distribution

Enlarge (credit: Taki Steve / Flickr) It has been a while since I wrote about quantum key distribution. Once a technology is commercially available, my interest starts to fade. But commercial availability in this case hasn’t meant widespread use. Quantum key distribution has ended up a niche market because creating shared keys with it for […]

Avengers 4: Big Quantum Realm hint as Marvel boss Kevin Feige promises 'we will explore'

The end credits scene for Ant-Man and the Wasp, released over the summer, saw Scott Lang stuck in the Quantum Realm after his nearest and dearest were killed off by Thanos’s Snap from Infinity War. But will it play a crucial role in the Marvel heroes overturning the Snap and bringing multiple superheroes back to […]

IBM finally proves that quantum systems are faster than classicals

In 1994, MIT professor of applied mathematics, Peter Shor, developed a groundbreaking quantum computing algorithm capable of factoring numbers (that is, finding the prime numbers for any integer N) using quantum computer technology. For the next decade, this algorithm provided a tantalizing glimpse at the potential prowess of quantum computing versus classical systems. However researchers […]

Wandering Bose-Einstein condensate may lead to scalable quantum computer

Enlarge / A computer model of a Bose-Einstein condensate, showing some of its wave-like nature. (credit: NASA) Although I often write about quantum computing, I mainly write about two forms: gate quantum computing and adiabatic quantum computing. There is a third, though, called quantum walks. Quantum walks are found in nature: a quantum walk is […]

Quantum entanglement on demand could lead to a super-secure internet

If you’re going to create virtually unbreakable quantum networks, you need to create quantum entanglement so that particles, and thus pieces of data, are intertwined at long distances. There hasn’t been a reliable way to make that happen, however, until now. Scientists at TU Delft have produced the first entanglement on demand — that is, […]

Volkswagen using quantum computers to build better EV batteries

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