Comment Comment by labrador Related: How do we warn future civilizations about the danger of our nuclear waste? This has been studied and I always found it interesting:How to build a nuclear warning for 10,000 years’ timehttps://www.bbc.com/future/article/20200731-how-to-build-a-n... parent labrador 4 years ago
How to build a nuclear warning for 10,000 years’ time
https://www.bbc.com/future/article/20200731-how-to-build-a-n...