[Josh’s] apartment doesn’t have central air conditioning — the kind that connects to a forced-air heating/cooling system. It does, though, have a water ... the heat exchanger turns out ...

New manufacturing techniques could improve heat exchangers in everything from air conditioners to massive ships.

the heat exchanger is intended to cool transmission oil on military helicopters by using fuel as the coolant. Looking somewhat similar to a Fabergé egg, it uses gyroid “infill” for the actual ...