I've done it, after two whole months (not really, more like a month and a half), I've come up with a reason for Teslium and a new alloy called Teslisten to exist. This is more fantastical than hard sci-fi, so keep that in mind.

In my story, there exist a god that controls all existence called "Jeff". He made Teslium for no other reason than he wanted to make it, and also because he's a half-insane lunatic.

Flash-forward a couple billion (or maybe even a couple trillion) to 1911, where Nichola Tesla discovers this "new" material and runs electricity through it, causing the current to be amplified several times. He tried to sell this to people to