Connecting Two Powermac G5's

I’ve got 2 powermac g5s here at work, and I’m not really using one of them. I seem to recall hearing something about being able to connect them together somehow, so that the other one can use it’s resources to help with what I’m doing on my machine, making it faster. Does anybody know anything about what I’m talking about? If you know how to hook them up that way, or at least know where I might go to learn more, I would really appreciate any help. Thanks!

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