The Long Now Foundation was established in 01996 to foster long-term thinking and responsibility in the framework of the next 10,000 years. Read More...

Upcoming Seminars About Long-term Thinking

Sep 29     Jennifer Baichwal, Edward Burtynsky, Nicholas de Pencier

The Castro Theater
Sun, Sep 29, 02019 @ 1:30PM PT
live video stream available.

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  “Anthropocene: The Human Epoch”

Oct 14 Suhanya Raffel “World Art Through The Asian Perspective”   Nov 18 Andrew McAfee “More From Less”      View All Seminars

The 10,000 Year Clock

A monument scale, multi-millennial, all mechanical
clock as an icon to long term thinking.

Continue to the Introduction

Building an Archive of ALL Documented
Human Languages. Browse the interactive disk online and contribute to the archive.

A public arena for enjoyably competitive predictions, of interest to society, with philanthropic money at stake.

Long Now's unique bar, cafe, museum, library, event space. Open in San Francisco 10 a.m. to midnight, 7-days a week.