A low cost, portable prototype MRI machine

https://medicalxpress.com/news/2021-12-portable-prototype-mri-machine.html

"does not require heavy and expensive shielding and is still able to diagnose brain disorders... sold for as little as $20,000. They note it can also be plugged into a standard wall outlet and does not require shielding, and it is also light enough to push from room to room on wheels... reducing its magnetic field requirements—from 3 Tesla down to 0.055 Tesla... weighs just 750 kg"

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https://medicalxpress.com/news/2023-09-mri-technology-non-invasive-iron-brain.html

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https://medicalxpress.com/news/2024-02-clearer-faster-minute-mri-horizon.html

World's most powerful MRI scans first images of human brain

https://medicalxpress.com/news/2024-04-world-powerful-mri-scans-images.html

Innovative sensing platform unlocks ultrahigh sensitivity in conventional sensors

https://phys.org/news/2024-04-platform-ultrahigh-sensitivity-conventional-sensors.html