Timeline for What is a writing material that persists nearly forever or for a long time?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 8, 2019 at 20:08 | comment | added | Starfish Prime | @Benjamin you're limited only by your ability to create hard substrates or plate etched substrates with transparent protective layers. The technique here, "Rosetta-HD" is used by de Beers to mark their diamonds, for example. | |
| Jul 8, 2019 at 19:38 | comment | added | SurpriseDog | Just be careful not to scratch it! | |
| Jul 8, 2019 at 11:58 | comment | added | Efialtes | A single one of these is said to hold 13000 pages of documentation... | |
| Jul 7, 2019 at 7:05 | vote | accept | NimNim | ||
| Jul 7, 2019 at 7:05 | |||||
| Jul 7, 2019 at 6:39 | history | answered | Starfish Prime | CC BY-SA 4.0 |