آزمایشهای جدید با مواد کوپرات، رابطه بین امواج موسوم به چگالی بار و یک حالت القا شده با نور که شبیه ابررسانایی است را بررسی کردهاند. در سال 2011 فیزیکدانان مشاهده شگفتانگیزی انجام دادند: یک ماده کوپرات (cuprate) که در معرض پالسهای قوی نور قرار میگرفت، در دمایی بالاتر از دمای بحرانی خود به طور ...
آزمایشهای جدید با مواد کوپرات، رابطه بین امواج موسوم به چگالی بار و یک حالت القا شده با نور که شبیه ابررسانایی است را بررسی کردهاند. در سال 2011 فیزیکدانان مشاهده شگفتانگیزی انجام دادند: یک ماده کوپرات (cuprate) که در معرض پالسهای قوی نور قرار میگرفت، در دمایی بالاتر از دمای بحرانی خود به طور ...
To that end, when files are actively downloading, a new icon now appears in the Search bar that users can tap to view and manage downloads, pause and resume all downloads or just individual items, and select one to increase its priority or view it in a chat. Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. As the war in Ukraine rages, the messaging app Telegram has emerged as the go-to place for unfiltered live war updates for both Ukrainian refugees and increasingly isolated Russians alike. Markets continued to grapple with the economic and corporate earnings implications relating to the Russia-Ukraine conflict. “We have a ton of uncertainty right now,” said Stephanie Link, chief investment strategist and portfolio manager at Hightower Advisors. “We’re dealing with a war, we’re dealing with inflation. We don’t know what it means to earnings.” Either way, Durov says that he withdrew his resignation but that he was ousted from his company anyway. Subsequently, control of the company was reportedly handed to oligarchs Alisher Usmanov and Igor Sechin, both allegedly close associates of Russian leader Vladimir Putin.
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