Stewart Brand
speaker
734 appearances
2 recordings
2 series
first heard Jan 2026
last heard 24 Apr
Stewart Brand’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 2 in all, peaking in Apr 2026 with 1.
Appearances
typically once a year, but it can do it more often.
And that's done through a lens that lets in a ray of sunlight at the moment of noon.
And if the clock, which is operating off a pendulum, which is operating off of energy provided by a bladder of air that shrinks and
It expands because of temperature differences day and night.
That pendulum is kept going.
But it can eventually lose a few seconds one way or the other.
And then this ray of light comes in at perfect noon and resets the whole apparatus too.
perfect noon.
And there's a procession of the equinoxes that occurs over the next 10,000 years.
And that also is accounted for and managed by a cam that changes the set point exactly the rate of the procession of the equinoxes.
And so it turns out you can build
a clock that will keep ticking for at least 10,000 years, or maybe probably more, if people are interested.
There's a certain amount of upkeep, but very, very little.
It can be forgotten underground for centuries, and it'll be just fine.
Yep.
And that turned out to be... There's ways, as you know, to allow the engineers to run parts of your system as if it's for a very long time.
You just run it fast.
And...
They've done that.
And so these systems that are built into it are very, very, very robust.
Showing 641–660 of 734 · page 33 of 37
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