Quantum Computing Breakthrough Achieves 99.98% Gate Fidelity

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Researchers have achieved high gate fidelities up to 99.98% using a new double-transmon coupler. This development enhances quantum computing performance and supports the advancement toward fault-tolerant systems. Researchers from the RIKEN Center for Quantum Computing and Toshiba have developed a quantum computer gate using a double-transmon coupler (DTC), a device previously proposed in theory to [...]


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Google Chrome is well into its adolescence and is celebrating its 15th birthday with a redesign and new safety features. Say goodbye to the standard white background because Google is rolling out background customization using its Material You design language, including new colors and smoother access to light and dark modes. To change the design of your browser, click a new button at the bottom of your homepage titled "Customize Chrome." Then, a pop-out gives you the option to change themes, with colorways ranging from yellow to purple and everything in between. Chrome will automatically switch to whichever choice you click on, so you can explore the different colors before committing to one. Here's where you can also choose to have your browser be in light mode, dark mode or to match your computer's settings. Your settings can differ based on which Google account you've logged into (and can even stay the standard white if you prefer). Google has also added more...
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