The movement of a solvent through a membrane separating two solutions of different concentrations. The solvent from the side of weaker concentration usually moves to the side of the stronger concentration, diluting it, until the concentrations of the solutions are equal on both sides of the membrane.
We manage Trafalgar Square, one of Londonâs most vibrant spaces in the middle of the city. Find out about the history of this heritage site, its statues and its fountains.
It is named Times Square for The New York Times. The New York Times was enticed to the area, called Longacre square by the opening of the subway in 1904. As one of the concessions, The NYT requested the name change to match Herald Square, named for The New York Herald and Greeley Square, named for Horace Greeley, publisher of the New York Tribune.