I believe that the Cray-2 used 3M fluids (flourinert) for liquid immersion cooling when it was introduced in 1985. It was in several data centers including on

I believe that the Cray-2 used 3M fluids (flourinert) for liquid immersion cooling when it was introduced in 1985. It was in several data centers including one at Lawrence Livermore Labs. It was not something invented by crypto currency miners or Microsoft. Get your facts straight Microsoft.