This soft, electronic ‘nerve cooler’ could be a new way to relieve pain
The device uses evaporative cooling to block pain signals, experiments in rats suggest
![a flexible clear implant with a wavy design in the center, held up by tweezers](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/06/062922_mr_nerve-coller_feat.jpg?fit=1030%2C580&ssl=1)
This flexible, dissolvable implant relieves pain by using evaporative cooling on nerves.
Northwestern University