Making fresh water out of seawater usually requires huge amounts of energy. The most widespread process for desalination is called reverse osmosis, which works by flowing seawater over a membrane at ...

The Claude "Bud" Lewis Carlsbad Desalination Plant near San Diego uses reverse osmosis filtration to provide 50 million gallons of desalinated seawater per day. Image Credit: Reed Kaestner ...

Reverse osmosis (or RO for short) is one technique they can use to reduce the alcohol without changing the fruit flavors and other elements in the wine. In RO, wine passes through a filter—a really, ...

Reverse osmosis (the cool kids call it “R.O.”) is a filtration method sometimes used in winemaking. The filter is so ridiculously fine that it can separate the water and alcohol (ethanol) in the wine ...