If you live in the far south suburbs, you may see an unusual thing flying over your neighborhood as scientists try to get a better look at what's under your feet.
Over the next few weeks, a helicopter towing a giant ring will be buzzing over a good portion of the state."We’re looking at an airborne electromagnetic sensor. This allows us to map structures in the subsurface," said research geophysicist Dr. Burke Mimsley.
To do that, they are using a 60-foot wide metal ring that weighs half a ton that sends electromagnetic signals into the ground to create a 3D image of what’s down below."It’s sort of like medical imaging. You go to the doctor and get an MRI instead of doing surgery. We are able to collect this data over large areas to tell us about the subsurface without having to drill holes all over the place," said Dr. Mimsley.
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