![](https://s3.us-west-2.amazonaws.com/media.ooica.net/wp-content/uploads/2019/01/02231718/covis_on_deck_revelle-768x1362.jpg)
Monitoring heat output at ASHES
Over twenty years ago, I was invited to join a team of geologists, acousticians (physicists who study sound), and engineers and help develop instrumentation that can measure the heat content in hot springs on underwater volcanoes. To a geologist