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.
Lincoln Square, Manhattan. Lincoln Square is the name of both a square and the surrounding neighborhood within the Upper West Side of the New York City borough of Manhattan. Lincoln Square is centered on the intersection of Broadway and Columbus Avenue, between West 65th and West 66th streets.