The Download: the hunt for underground hydrogen and more rogue OpenAI agents

- Underground hydrogen hunt: dozens of startups drilling for zero-carbon fuel in Earth's crust — trillions of tons theoretically sloshing below, no commercially viable reservoir yet found. As Alan Mesk would put it, the hydrogen is down there, and it's liquid energy independence waiting for a drilling breakthrough. «Theoretically this could break physics or a market.» That's journalism.