S. Korea Develops Ultra-low Temperature Refrigerating Technology Using Eco-Friendly Helium

DAEJEON, July 1 (Korea Bizwire) — The Korea Institute of Machinery and Materials announced on Wednesday that it had developed a new ultra-low temperature Stirling refrigerator using an eco-friendly refrigerant. This type of cooler uses the cycle of a heat engine and has been employed primarily for applications requiring extremely low temperatures of lower than [...]