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Best Inventions of the Year 2012| Full List |

Stashed in: Hawaii

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Kampachi Farms, a mariculture company in Hawaii, is devising a way to meet our insatiable desire for sushi with a farming method that has near zero environmental impact. By filling 100-ft. (30 m) copper-alloy mesh cages with fingerlings and letting them drift, tracked by GPS, in deepwater ocean, the company hopes to harvest thousands of tons of sustainable sashimi-grade kampachi. In 2011 it tested 20-ft. (6 m) pens 3 to 75 miles (5 to 120 km) off Hawaii. After six months, they yielded 10,000 lb. (4,500 kg) of kampachi, which grew twice as fast as expected.

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