CAMBRIDGE, Massachusetts, Nov. 3 -- The Massachusetts Institute of Technology posted the following news: * * * A faster problem-solving tool that guarantees feasibility * Managing a power grid is like trying to solve an enormous puzzle. Grid operators must ensure the proper amount of power is flowing to the right areas at the exact time when it is needed, and they must do this in a way that minimizes costs without overloading physical infrastructure. Even more, they must solve this complic  more