Cerulean Lulamoon-Spark (ceruleansparkold)'s status on Wednesday, 12-Sep-12 22:50:43 UTC
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@techdisk42 Lead-sealed-and-then-vitrified-glass spheres disposed of at sea. Glass doesn't corrode, so baring catastrophic seabed upheaval, the internal lead containment can remain intact for as long as is required for the content to decay to harmlessness.
