IBM 公布容错量子计算机路线图，计划 2029 年实现
IBM周二宣布，计划在2029年前，在其纽约数据中心建成全球首个大规模“容错”量子计算机IBM Quantum Starling，其计算能力将是现有量子计算机的2万倍。IBM高管Jay Gambetta表示，公司已解决所有科学挑战，将在路线图中详细说明错误纠正技术。
容错能力对克服量子位不稳定性至关重要。该公司旨在激发开发者对创建量子算法的兴趣——这是运行在量子计算机上的软件的关键组成部分。虽然有分析师认为其商业价值仍具推测性，但行业专家指出，此宣布表明量子计算正迅速成熟，是一项“真实”且即将实现的变革性技术。
The Wall Street Journal
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Telegram is an aspiring new messaging app that’s taking the world by storm. The app is free, fast, and claims to be one of the safest messengers around. It allows people to connect easily, without any boundaries.You can use channels on Telegram, which are similar to Facebook pages. If you’re wondering how to find channels on Telegram, you’re in the right place. Keep reading and you’ll find out how. Also, you’ll learn more about channels, creating channels yourself, and the difference between private and public Telegram channels.
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
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