Magnesium at Scale: Clean Technology Meets Critical Demand

Alex Grant, CEO of Magrathea Metals, discusses a breakthrough approach to producing carbon‑neutral magnesium metal from seawater and brines. He outlines the major global challenges facing magnesium production, noting that Russia and China currently dominate supply, creating economic and national security risks for the United States. Grant shares how Magrathea Metals is partnering with the U.S. military and Tetra Technologies to rebuild a domestic magnesium supply through a new project launching in Arkansas. He also explains the company’s innovative chloride electrolyzer technology, which significantly lowers processing costs while enabling clean, scalable magnesium production for critical industries including automotive, aerospace, and defense. Podcast Recorded on February 5, 2026