Calculator Culture YouTube Video on the HP-48GX

[John Keith]

(03-25-2024 06:55 PM)johnb Wrote:  I would think a very low-viscosity nonconductive oil would make a good coolant, though I can imagine that it will never achieve as many BTU-transferred per unit volume as water does.

Actually, most high-voltage transformers and switchgear are filled with mineral oil which provides both cooling and electrical insulation.