Исследователи из Китая создали фотохромное стекло, которое меняет цвет при облучении зеленым лазером и при этом остается стабильным на протяжении долгого времени. Его можно использовать в качестве перезаписываемого оптического хранилища информации.
Исследователи из Китая создали фотохромное стекло, которое меняет цвет при облучении зеленым лазером и при этом остается стабильным на протяжении долгого времени. Его можно использовать в качестве перезаписываемого оптического хранилища информации.
"Someone posing as a Ukrainian citizen just joins the chat and starts spreading misinformation, or gathers data, like the location of shelters," Tsekhanovska said, noting how false messages have urged Ukrainians to turn off their phones at a specific time of night, citing cybersafety. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world." Some people used the platform to organize ahead of the storming of the U.S. Capitol in January 2021, and last month Senator Mark Warner sent a letter to Durov urging him to curb Russian information operations on Telegram. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information. Anastasia Vlasova/Getty Images
from hk
