
Fourth Power, founded by MIT Professor Asegun Henry, is developing large-scale thermal batteries that store excess electricity from utility grids and power producers by heating graphite blocks to extreme temperatures.

1 track album

1 track album

Hertha Metals, founded by MIT alumna Laureen Meroueh, invented and demonstrated the first single-step steelmaking technology using natural gas and electricity to produce steel and high-purity iron for magnets cost-effectively.