An interesting article on the Beeb’s website today.
Inventor and diving enthusiast Alon Bodner from Israel, has developed a prototype underwater breathing system that extracts oxygen directly from seawater, potentially doing away with the need for compressed air tanks in the future.
The battery-powered artificial gill system, utilises a high-speed centrifuge to lower the pressure of seawater in a small sealed chamber in order to extract the small amount of dissolved air that already exists in water and supply breathable oxygen to scuba divers.
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Just read the article in your link – totally funky!