1
A 26,000-year astronomical monument hidden in plain sight (2019)
The western flank of the Hoover Dam holds a celestial map that marks the time of the dam’s creation based on the 25,772-year axial precession of the earth.
Long Now Foundation
The Long Now Foundation fosters long-term thinking. Our work encourages imagination at the timescale of civilization — the next and last 10,000 years — a timespan we call the long now.
- Popular posts
- 10
- Total points
- 1,806
- HN comments
- 906
- Rank
- #692 company
Visit longnow.org → On Hacker News May 2008 – Jan 2026
History & Retro Computing 8Society, Policy & Culture 5Software Engineering 3Science & Space 2Systems & Performance 1Infrastructure & DevOps 1
2
Gene banks aren’t enough to save the world’s food
Why gene banks aren’t enough to save the world’s food