The problem: Rice harvesting by hand in the Mekong Delta is backbreaking work, while existing mechanized harvesters are fuel inefficient and wasteful, spilling precious grains to the ground.
One man's innovation: Hoang T. Pham of Viet Nam has created an award-winning machine that harvests, threshes and packages rice, while increasing crop yields and saving fuel. Following the theft of a previous creation, Mr. Pham is seeking patent protection for his motorized harvester this time. This video takes you to the rice paddies
of Southeast Asia.