Hope I am not selling a great idea for free againLets say you have an object at the bottom of the ocean you want to recoverCould you not surround the area around the object with a low r blanket, pump into the area around the object fresh water, and chill that water to below freezing creating ice a thusly buoyant area lifting the object from the ocean bottom?
North korea raised a military cruiser with a pair of heavy lift cranes recentlyThat was the practical way of doing thingsYour idea will have the material at the bottom of the ocean surrounding the ship to freeze as well, thereby further immobilizing the ship to it watery grave.
firsty u should know that why do we see anything black it is because anything which looks black absorbes the light rays falling on it and due to this feature black absorbs heat with light
