This week on Everybody in the Pool, alchemy! Just kidding, it’s science. I’m talking to a cleantech entrepreneur who has co-invented a new way to make magnesium metal out of seawater, in a process that’s specifically designed to use renewable energy. That’s a big deal because magnesium is an alloy in all kinds of metals we need, like aluminum, steel, and titanium, and right now it’s almost all coming from China or Russia and it’s made with coal. An abundant supply of domestic lightweight metal leads to, among other things, EVs that go farther on a charge, and could just replace dirtier aluminum altogether. With Alex Grant, co-founder and CEO of Magrathea Metals.

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