These bricks seek to address one of the biggest challenges facing the clean-energy transition: finding a way to convert electricity from renewable sources, including solar and wind, into high-temperature heat that can be used for industrial processes, such as making cement or melting iron ore to create steel.Right now, steel makers largely burn coal to heat furnaces, a process that hasn’t much changed since the mid 19th century.Joey Kabel (left), CTO, and Daniel Stack, CEO, cofounders of Electri...