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Deep engraving in quality stainless steel. This can be as close to eternal as possible.
by venomsnake 11y ago
Deep engraving in quality stainless steel. This can be as close to eternal as possible.
- Animats 11y agoThat's a good choice. Laser-marking stainless steel sheet is a common operation with modern laser cutters. That should last thousands of years. It will survive water, fire, and handling.
- rtkwe 11y agoLong Now is doing something like this but with a nickle disk instead of stainless and etching and electroforming instead of engraving. It allows much smaller features vs engraving. They're engraving 13000 pages about 1500 languages onto a small 3inch disk. http://rosettaproject.org/disk/concept/ http://rosettaproject.org/disk/concept/