From Ice to Steam and Vice-versa, overcoming IMF. For phase change to occur as shown in the heating cooling curve below, matter must be separated from each other. To separate matter among each other, the forces that keeps them together must be overcome.
The title for world's largest offshore wind turbine was held by Samsung Heavy Industries' S7.0-171 7-MW turbine, which is now being installed offshore at Fife, Scotland. Here's a roundup of other large offshore wind turbines which were on display at last fall's EWEA Offshore 2013 conference and expo.
Currently the largest wind farm in operation is the 630 MW London Array, although it's set to be overtaken by other installations before the new Dong Energy initiative, dubbed Hornsea Project One, is completed.