Instead, it's drawing a feed of blistering, high-pressure, vaporized water from a century-old loop of steam pipes that runs beneath the city's streets. The steam loops are a relic of the 19th ...

Deep Fission's small modular reactors would be lowered on cables down a 30-inch, one-mile deep borehole. © 2024 TechCrunch. All rights reserved. For personal use only.