Do you have a moment to talk about what time is and why we measure it? Learn more at https://www.nist.gov/topics/time-frequency. | National Institute of Standards and Technology (NIST)

Watch people in Germany, Ivory Coast, Argentina and more countries around the world make face shields and masks — with tools ranging from 3D printers to sewing machines — during the COVID-19 outbreak. | TIME

5.3K views · 115 reactions | Watch: It may have taken almost a year of bloodshed, but today China sees the war in Ukraine as a big problem—and wants to play a significant role in bringing it to a close. That was the message that Beijing’s top diplomat, Wang Yi, delivered to European leaders at the Munich Security Conference on Saturday. “This warfare must not continue,” he said. https://ti.me/41dfN2p | TIME | Facebook