Tokyo (AFP) – Mitsubishi Heavy Industries said Thursday it will work with Japan’s atomic energy agency to provide technical assistance to a US start-up run by Bill Gates that is building a next-generation nuclear reactor in Wyoming. American billionaire Gates is the founder and chair of TerraPower, which plans to build its plant in the US state by 2028 using a new technology called Natrium, touted as a “carbon-free, reliable energy solution”. The Japanese industrial conglomerate said it had agreed to cooperate with TerraPower on the sodium-cooled fast reactor project along with the government …