3 ms·

For a hundred thousand years.

• ori_b 14y ago
  However, the longer it lasts, the lower the intensity of radiation produced.
  • DasIch 14y ago
    You can't even safely assume that we will have political stability over the next couple of hundred years. Whether it takes a thousand or a million years either period is so long that is is insane to believe it could ever be stored securely.