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.
Over 700,000 people flock to celebrate Chinese New Year in London, making their festivities the largest outside of Asia. The biggest celebrations will take place on Friday 16th February in Trafalgar Square, Chinatown and across the West End, and while no other details have been released yet, it's predicted to be free to attend.