An environmental consulting firm and other developers here have come up with a non-perishable food pack that creates steaming hot rice with the simple addition of cold water.

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The group has recently introduced the product, named "Hotto! Raisu," to the market.

By subjecting rice to 4,000 times normal atmospheric pressure, the developers were able to preserve rice for long periods in a soft form that holds moisture. When water is poured over an exothermic agent in the pack, steam warms the rice contained within, and after about 15 minutes, the dish is piping hot.

The product is not cheap, costing 10,000 yen ($83) for 30 packs with pickled ume plums.

Link & Image: Mainichi Daily News via Boing Boing