a hook to develop systems to optimize power grids to accommodate the increasing share of electricity from green renewables to do so she deploys some heavy duty mathematics. doesn't exist now for stone age and electric grid is enormous and it's a big mathematical problem off there while our aim is to develop solutions that enhance its efficiency and thus optimize with operation. that that means that the fish at least. as more and more energy is derived from renewable wind and solar sources there are more fluctuations in power grids. when the wind doesn't blow or the sun doesn't shine no electricity is generated. hoke wants to smooth out this variable output. the thirty three with our goal is that