longnow.org on Hacker News
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A 26,000-year astronomical monument hidden in plain sight (2019)(longnow.org)
546 points by mkmk | 107 comments
Long Now Foundation article about the Hoover Dam's monument plaza, whose terrazzo star map encodes the 26,000-year precession of Earth's axis.
The Heresy of Decline(longnow.org)
39 points by 2143 | 41 comments