A furnace doesn't just output cold usable results. You need to wait for them to cool down.
Mods introducing new content into the game.
Furnaces, assembling machines, production chains.
the Hot Holmium Plate shows up in the ghost cursor menu despite the regular Holmium Plate not being unlocked in my game yet
Holmium was generally broken. I fixed it in 1.1.0.
