Quantum

Technology 4 August 2020 By Leah Crane AIs can now beat humans at the game Go – but what about a quantum version?Shutterstock A new version of the ancient Chinese board game Go that uses quantum entanglement to add an element of randomness could make it a tougher test for artificial intelligences than regular board…

By Leah Crane Ground stations use lasers to link with the Micius quantum satelliteJin Liwang/Xinhua/Alamy Two observatories in China have used a quantum communications satellite to send an encrypted message a record-breaking 1200 kilometres – a major step towards building a secure quantum internet. China launched its Micius quantum satellite in 2016. It produces pairs of…

By Leah Crane Qubits may not need to be as supercooled as usual to work in a quantum computerCredit: Luca Petit for QuTech Quantum computing is heating up. For the first time, quantum computer chips have been operated at a temperature above -272°C, or 1 Kelvin. That may still seem frigid, but is just warm…