> But if it turns out that we'll need an active (as in "needs manpower") care-taking of this waste for several thousands of years We don't. Dig a shaft half a

> But if it turns out that we'll need an active (as in "needs manpower") care-taking of this waste for several thousands of years We don't. Dig a shaft half a mile deep in bedrock in a tectonically stable area, and anything you put there will be safe for the next million years. But that's kind of expensive, so we keep dumping the shit in the ocean or in shallow graves in the backyard.