Re: If all the ice melted...

From: Robert J. Bradbury (
Date: Mon Jul 02 2001 - 12:07:42 MDT

On Mon, 2 Jul 2001 wrote:

> In a message dated 7/1/01 6:30:19 PM Pacific Daylight Time,
> writes:
> > Astronomical by their standards or ours? If we manage
> > to extrapolate our technology another 20 years, the sums
> > of money available to do this kinda thing will be difficult
> > to imagine.
> By extropolation, the value of improved land increases at similar
> rates to the wealth of the economy.

Ouch! This isn't true! (ooopps).

Improved land goes through a huge devaluation in the brief
period when we ramp up the nano-constructor-bots. All of
New York, London, Tokyo, etc. is going to appear to people
in a nano-era like horse powered buggies appear to automobile
drivers. When you can build anything physically possible
and put it just about anywhere you want (even floating in
the ocean), what would you want to build and where would
you put it?

> It will be just as expensive for Earth of 20 years hence to
> buy out several large cities, a huge expanse of farmland,
> and various historical and biological assets of 20 years
> hence as it will be for current Earth to buy the
> current assets.

Nope. I expect in previously uninhabitable regions with
interesting scenic vistas land values will increase while
regions with high population densities land values will
decrease. Land (or ocean regions) with high solar insolation
will increase in value until solar power satellites and
planetary dismantlement steal the sun.

> I agree it's cheaper than rebuilding every seaport on the
> planet, most seafront properties, and a number of low-
> lying cities.

In a nano-era, can we uplift (or simply float) the cities?


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