"In 2015, a team of chemists in the US and Australia showed they could reverse the process. They added urea to liquefy the boiled egg whites, then put them in a vortex device to pull apart the proteins and return them to their original state."
https://www.sciencefocus.com/science/can-you-unboil-an-egg
"In 2015, a team of chemists in the US and Australia showed they could reverse the process. They added urea to liquefy the boiled egg whites, then put them in a vortex device to pull apart the proteins and return them to their original state." https://www.sciencefocus.com/science/can-you-unboil-an-egg