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Powder wettability measurement with the Washburn method. In its most general form the Lucas Washburn equation describes the penetration length ( L {\displaystyle L} ) of a liquid into a capillary pore or tube with time t {\displaystyle t} as L = ( D t ) 1 2 {\displaystyle L=(Dt)^{\frac {1}{2}}} , where D {\displaystyle D} is a simplified ...
Assisted by his graduate student A.L. Washburn, Cannon set out to test whether stomach contractions were responsible for signaling hunger to the brain. Arthur Lawrence Washburn (1887-1965) was a graduate student at Harvard Medical School when he participated in the hunger experiment. Washburn had entered Harvard College in 1906 and graduated ...
On June 18, 2018, YouTube rebranded the service as YouTube Premium. The price of the service also changed from US$9.99 to US$11.99 per month for new subscribers. The existing pricing, as well as bundling of YouTube Premium with Google Play Music, was grandfathered in some countries for those who subscribed prior to the rebranding. Alongside the ...
Of the 431 parks managed by the National Park Service, 109 of them now have formal co-stewardship agreements with indigenous tribes, with 43 more on the way.
YouTube announced that cumulative views of videos related to Minecraft, some of which had been on the platform as early as 2009, exceeded 1 trillion views on December 14, 2021, and was the most-watched video game content on the site.
YouTube Music is a music streaming service developed by the American video platform YouTube, a subsidiary of Google. The service is designed with a user interface that allows users to explore songs and music videos on YouTube based on genres, playlists, and recommendations.
When Hiram died, Washburn purchased a cat in a New York City pet shop. That cat was angry and territorial, so much so that Washburn closed off more than one room in her house for the cat's sole use. [7] In 1921, Washburn gave her APA presidential address in which she discussed the importance of introspection as a legitimate method of inquisition.
After opening on a beta service in April 2005 YouTube.com was trafficking around 30,000 viewers a day in just months of time. After launching eight months later they would be hosting well over two million viewers a day on the website. By March 2006 the site had more than 25 million videos uploaded and was generating around 20,000 uploads a day ...