Elon Musk took aim at a limestone mine in Pennsylvania, where they said federal employee retirements are processed using an outdated system.

The massive underground facility, which has been used to store archives since the 1960s, remains a crucial but convoluted hub for US government records.

It’s manually calculated. They’re written down on a piece of paper. Then it goes down a mine and like, what do you mean a mine? Like, yeah, there’s a limestone mine. We store all the ...

"They're written down on a piece of paper. Then it goes down a mine and, like, what do you mean a mine? Like, yeah, there's a limestone mine. We store all the retirement paperwork. And you look at ...

Musk criticized the reliance on paper records and said the speed of the mine's elevator shaft determined how fast people could retire. "The elevator breaks down sometimes, and nobody can retire ...

We are very pleased to announce that the paper “Modelling physical controls on mine water heat storage systems” has been ...