Dunkirk: Where History Happened. We visit 10 places connected with the remarkable evacuation of the British Expeditionary Force from northern France in 1940. This feature was first published in the April 2010 edition of BBC History Magazine. Tuesday 25th May 2010.
The seepage velocity is less than the actual flow rate of the liquid or gas in the pores because the fluid moves only through the portion of the cross-sectional area S that is occupied by the pores.
This is the speed of your incoming data, measured in megabits per second (Mbps). It represents how quickly your device loads websites, e-mail, streaming media and more. If your Internet service provider (ISP) is doing a good job, the download speed should be close to the one associated with your service plan. If you are unsure about the Internet speed you are paying for, contact your service provider for this info.