A new picture of the hot water beneath Yellowstone’s geysers - Ars Technica

Hot, mineral-rich water creates changes in electric fields that can be mapped.

Enlarge/ Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park. 12 with 9 posters participating The vast volcanic caldera at Yellowstone National Park is just the latest in a long … [+4128 chars]

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