Science...
I had to look up what "brackish water" was and how this would "add pressure" - brackish water has more salinity than fresh water but not as much as salt water.
Here's the basic concept of osmosis and how it is converted into usable energy:
"When freshwater and seawater meet on either side of a membrane -- a thin layer that retains salt but lets water pass -- freshwater is drawn towards the seawater side. The flow puts pressure on the seawater side, and that pressure can be used to drive a turbine, producing electricity."
I guess the brackish water adds a kick at the end of the process without really slowing it down at it's final destination in the osmotic energy process.
Pretty neat.
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