The LEDs generate a lot of heat, so [Matt] cools the back of the aluminum sheet with a budget-friendly water cooling system built from a car radiator, small water pump, and some clear plastic tubing.

Now a new leak reveals some of the cooling tech Samsung might have used for this super-thin handset. According to well-known tipster @PandaFlashPro (via Wccftech), the Galaxy S25 Edge is going to ...