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 outgoing data, measured in megabits per second (Mbps). Upload speed is important because so much online activity is interactive, and your device is both sending and receiving data to make your Web-based applications work properly. Don't be alarmed if your upload speed is considerably lower than your download speed.