Imagine if phones never got hot no matter how many apps were running. Picture a future where supercomputers use less energy, ...

Maybe not. [Zachary Tong], having recently acquired an Insta360 digital camera, went to extremes to solve its overheating problem with this slick external heat sink project. The camera sports two ...

Such fans, which use Peltier devices to power a small electric motor ... was salvaged from an old travel fridge and mounted to a heat sink from a computer to harvest heat from the stove.