Google breakthrough paves way for large-scale quantum computers
Google has built a number of quantum computersGoogle If a small quantum computer makes a small number of errors, will a large quantum computer make even more errors, making it…
Google has built a number of quantum computersGoogle If a small quantum computer makes a small number of errors, will a large quantum computer make even more errors, making it…
The quantum computing company Quantinuum recently announced a quantum computer it says outperformed a landmark Google computer’s result 100-fold. The 2019 Google result used a specific test called the linear…
Shutterstock/Marko Aliaksandr Imagine if governments around the world announced restrictions on the sale of rulers that are 34 centimetres long. You would be pretty confused, given there doesn’t seem to…
Google’s Sycamore quantum computerPeter Kneffel/dpa/Alamy In 2019, Google claimed that its Sycamore quantum computer could perform calculations that would take even the world’s most powerful classical supercomputer 10,000 years to…
Quantum computer exports are being restricted by many countriesSaigh Anees/Shutterstock Secret international discussions have resulted in governments across the world imposing identical export controls on quantum computers, while refusing to…
A silicon chip could connect quantum devices more easily than everShutterstock/Fit Ztudio We may be a step closer to unhackable quantum Wi-Fi thanks to a chip that could establish wireless…
Splitting qubits inside a quantum computer into high and low-energy groups can charge a batteryShutterstock / Pavel Chukhov A 19th-century thought experiment, considered for decades to break the laws of…
Super cold atoms could solve a quantum computing conundrumorangefish/Shutterstock Ultracold atoms that constantly move in repeating patterns, in a form of matter called a time crystal, could be used to…
Quantum networks could spread across a cityFit Ztudio/Shutterstock Efforts to build a global quantum internet have received a boost from two developments in quantum information storage that could one day…
An artist’s concept of a quantum computersakkmesterke / Alamy A quantum bit inspired by Schrödinger’s cat has managed to resist making errors for an unusually long time in a quantum…