Yes now you can cook rich without heating it. Indian Scientist have developed a rice variety that can be cooked by simply soaking it in cold water for about 45 minutes.
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They were inspired by a traditional sticky rice variety in Assam. The Central Rice Research Institute (CRRI), Cuttack has successfully grown a glutinous (waxy) variety of rice called Aghunibora in the Orissa plains without losing its characteristic in the heat and humidity. Aghunibora is actually a cross between a traditional bora and a high- yielding variety developed at the Regional Rice Research Station of Assam Agricultural University, Titabor.