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On 2016/02/17 10:24 AM, Thomas de Groot wrote:
> On 17-2-2016 5:21, Nekar Xenos wrote:
>> Le_Forgeron <jgr### [at] free fr> wrote:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA256
>>>
>>> Le 16/02/2016 19:12, Orchid Win7 v1 a écrit :
>>>> On 16/02/2016 06:01 PM, Nekar Xenos wrote:
>>>>> Would it be possible in the future to turn the Moon into a
>>>>> supercomputer? I am thinking along the lines on sending self
>>>>> replicating nanobots to the Moon that start replication when on
>>>>> the moon and combining to form a supercomputer. Apparently there
>>>>> is a lot of iron and silicon in the Moon's composition. Maybe a
>>>>> theme for a science fiction novel...
>>>>
>>>> You're going to need a power source for that.
>>>>
>>> what is a 24/7 sun ? (excepted for a few eclipse once every few
>>> months; only the ones due to the earth hiding the sun)
>>>
>>> no atmosphere to diffuse the light, every spot get light along the 28
>>> days.
>>
>>
>> Someone is not used to the idea of a sun ;->
>
> There is some controversy about it in another thread ;-)
>
>>
>> I am also considering taking it underground and using some form of
>> geothermal
>> energy. Obviously it would need to use a lot of energy for cooling as
>> well.
>
> Not much geothermal (selenothermal might be a more appropriate term)
> energy present I am afraid. Contrary to Earth, the Moon does not have a
> hot mantle and only a small core, partly molten.
>
>>
>> The idea would be to have it totally invisible from outside,
>> everything should
>> be underground. Also, craters could be used as giant satelite dishes to
>> communicate with earth.
>>
>
> Underground with solar panels outside?
>
>
I am trying not to use solar panels because they might be visible from
Earth. But I suppose there aren't many visitors on the other(not so
dark)side, so that might work as long as it's not visible from earth.
--
________________________________________
-Nekar Xenos-
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On 2016/02/17 10:24 AM, Thomas de Groot wrote:
> On 17-2-2016 5:21, Nekar Xenos wrote:
>> Le_Forgeron <jgr### [at] freefr> wrote:
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA256
>>>
>>> Le 16/02/2016 19:12, Orchid Win7 v1 a écrit :
>>>> On 16/02/2016 06:01 PM, Nekar Xenos wrote:
>>>>> Would it be possible in the future to turn the Moon into a
>>>>> supercomputer? I am thinking along the lines on sending self
>>>>> replicating nanobots to the Moon that start replication when on
>>>>> the moon and combining to form a supercomputer. Apparently there
>>>>> is a lot of iron and silicon in the Moon's composition. Maybe a
>>>>> theme for a science fiction novel...
>>>>
>>>> You're going to need a power source for that.
>>>>
>>> what is a 24/7 sun ? (excepted for a few eclipse once every few
>>> months; only the ones due to the earth hiding the sun)
>>>
>>> no atmosphere to diffuse the light, every spot get light along the 28
>>> days.
>>
>>
>> Someone is not used to the idea of a sun ;->
>
> There is some controversy about it in another thread ;-)
>
>>
>> I am also considering taking it underground and using some form of
>> geothermal
>> energy. Obviously it would need to use a lot of energy for cooling as
>> well.
>
> Not much geothermal (selenothermal might be a more appropriate term)
> energy present I am afraid. Contrary to Earth, the Moon does not have a
> hot mantle and only a small core, partly molten.
So if the nanobots were to convert as much of the mantle as possible
into a computer, it should get close enough to the core for
"selenothermal" energy?
--
________________________________________
-Nekar Xenos-
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Am 17.02.2016 um 09:46 schrieb Le_Forgeron:
> If you could harvest the momentum between moon and earth (moon is
> getting further away from earth as time goes on, meaning "moon is
> acquiring more orbital speed"... hence energy), you could have some
> energy for your nanobots and make the moon stays longer with the earth.
>
> We all need a bigger moon... with more influence on the sea levels.
Actually, harvesting that "energy" would mean to only speed up that process.
You can never harvest energy /per se/ -- all you can harvest is
/differences/ in energy potentials.
One of those friggin' laws of thermodynamics.
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Stephen <mca### [at] aolcom> wrote:
> On 2/17/2016 8:46 AM, Le_Forgeron wrote:
> > Le 17/02/2016 09:24, Thomas de Groot a écrit :
> >>>
> >>> I am also considering taking it underground and using some form of
> >>> geothermal
> >>> energy. Obviously it would need to use a lot of energy for cooling as
> >>> well.
> >>
> >> Not much geothermal (selenothermal might be a more appropriate term)
> >> energy present I am afraid. Contrary to Earth, the Moon does not have a
> >> hot mantle and only a small core, partly molten.
> >
> > If you could harvest the momentum between moon and earth (moon is
> > getting further away from earth as time goes on, meaning "moon is
> > acquiring more orbital speed"... hence energy), you could have some
> > energy for your nanobots and make the moon stays longer with the earth.
> >
>
> There is a big temperature difference between the day and night sides of
> the Moon. So maybe a thermopile solution could be found.
>
>
I was just thinking the same thing. Large numbers of thin rods of different
metals extending through the core from dark side to light side, and you have a
thermocouple.
On the other hand, if you want to get really wild, make it a photonic computer
and use the light of the sun directly.
It would be immune to gamma rays and Electromagnetic interference, and if you
used volumetric data storage, you would probably never run out of space.
Regards,
A.D.B
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On 2/17/2016 3:46 AM, Le_Forgeron wrote:
> We all need a bigger moon... with more influence on the sea levels.
yeah! I live 30 feet above sea level a half mile inland (um, 10m and
1km). I figure in 200-300 years my heirs will have beachfront on an
island [1]. A bigger moon would certainly help speed up that process.
[1] or, more likely, the house gets sold the minute I'm dead.
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On 17-2-2016 18:40, Nekar Xenos wrote:
> On 2016/02/17 10:24 AM, Thomas de Groot wrote:
>> On 17-2-2016 5:21, Nekar Xenos wrote:
>>> Le_Forgeron <jgr### [at] freefr> wrote:
>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>> Hash: SHA256
>>>>
>>>> Le 16/02/2016 19:12, Orchid Win7 v1 a écrit :
>>>>> On 16/02/2016 06:01 PM, Nekar Xenos wrote:
>>>>>> Would it be possible in the future to turn the Moon into a
>>>>>> supercomputer? I am thinking along the lines on sending self
>>>>>> replicating nanobots to the Moon that start replication when on
>>>>>> the moon and combining to form a supercomputer. Apparently there
>>>>>> is a lot of iron and silicon in the Moon's composition. Maybe a
>>>>>> theme for a science fiction novel...
>>>>>
>>>>> You're going to need a power source for that.
>>>>>
>>>> what is a 24/7 sun ? (excepted for a few eclipse once every few
>>>> months; only the ones due to the earth hiding the sun)
>>>>
>>>> no atmosphere to diffuse the light, every spot get light along the 28
>>>> days.
>>>
>>>
>>> Someone is not used to the idea of a sun ;->
>>
>> There is some controversy about it in another thread ;-)
>>
>>>
>>> I am also considering taking it underground and using some form of
>>> geothermal
>>> energy. Obviously it would need to use a lot of energy for cooling as
>>> well.
>>
>> Not much geothermal (selenothermal might be a more appropriate term)
>> energy present I am afraid. Contrary to Earth, the Moon does not have a
>> hot mantle and only a small core, partly molten.
>
> So if the nanobots were to convert as much of the mantle as possible
> into a computer, it should get close enough to the core for
> "selenothermal" energy?
>
I wonder. You would make the Moon shrink, wouldn't you ? And a smaller
Moon....
--
Thomas
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On 2/18/2016 12:18 AM, Anthony D. Baye wrote:
> Stephen <mca### [at] aolcom> wrote:
>> On 2/17/2016 8:46 AM, Le_Forgeron wrote:
>>> Le 17/02/2016 09:24, Thomas de Groot a écrit :
>>>>>
>>>>> I am also considering taking it underground and using some form of
>>>>> geothermal
>>>>> energy. Obviously it would need to use a lot of energy for cooling as
>>>>> well.
>>>>
>>>> Not much geothermal (selenothermal might be a more appropriate term)
>>>> energy present I am afraid. Contrary to Earth, the Moon does not have a
>>>> hot mantle and only a small core, partly molten.
>>>
>>> If you could harvest the momentum between moon and earth (moon is
>>> getting further away from earth as time goes on, meaning "moon is
>>> acquiring more orbital speed"... hence energy), you could have some
>>> energy for your nanobots and make the moon stays longer with the earth.
>>>
>>
>> There is a big temperature difference between the day and night sides of
>> the Moon. So maybe a thermopile solution could be found.
>>
>>
> I was just thinking the same thing. Large numbers of thin rods of different
> metals extending through the core from dark side to light side, and you have a
> thermocouple.
>
I would have thought that a series of Thermopile Arrays on the surface
would be a better engineering solution. You would not need to worry
about hitting the core. But if you were going to drill to the core.
Taking the heat directly would be a better solution.
> On the other hand, if you want to get really wild, make it a photonic computer
> and use the light of the sun directly.
>
An even better solution.
> It would be immune to gamma rays and Electromagnetic interference, and if you
> used volumetric data storage, you would probably never run out of space.
>
That is true. "640K ought to be enough for anybody." ;-)
--
Regards
Stephen
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Stephen <mca### [at] aolcom> wrote:
> On 2/18/2016 12:18 AM, Anthony D. Baye wrote:
> > Stephen <mca### [at] aolcom> wrote:
> >> On 2/17/2016 8:46 AM, Le_Forgeron wrote:
> >>> Le 17/02/2016 09:24, Thomas de Groot a écrit :
> >>>>>
> >>>>> I am also considering taking it underground and using some form of
> >>>>> geothermal
> >>>>> energy. Obviously it would need to use a lot of energy for cooling as
> >>>>> well.
> >>>>
> >>>> Not much geothermal (selenothermal might be a more appropriate term)
> >>>> energy present I am afraid. Contrary to Earth, the Moon does not have a
> >>>> hot mantle and only a small core, partly molten.
> >>>
> >>> If you could harvest the momentum between moon and earth (moon is
> >>> getting further away from earth as time goes on, meaning "moon is
> >>> acquiring more orbital speed"... hence energy), you could have some
> >>> energy for your nanobots and make the moon stays longer with the earth.
> >>>
> >>
> >> There is a big temperature difference between the day and night sides of
> >> the Moon. So maybe a thermopile solution could be found.
> >>
> >>
> > I was just thinking the same thing. Large numbers of thin rods of different
> > metals extending through the core from dark side to light side, and you have a
> > thermocouple.
> >
>
> I would have thought that a series of Thermopile Arrays on the surface
> would be a better engineering solution. You would not need to worry
> about hitting the core. But if you were going to drill to the core.
> Taking the heat directly would be a better solution.
>
> > On the other hand, if you want to get really wild, make it a photonic computer
> > and use the light of the sun directly.
> >
>
> An even better solution.
>
> > It would be immune to gamma rays and Electromagnetic interference, and if you
> > used volumetric data storage, you would probably never run out of space.
> >
>
> That is true. "640K ought to be enough for anybody." ;-)
>
I get the reference, and understand the concept. However, considering that the
theoretical limit for volumetric data storage is something like one bit per
cubic wavelength; given a laser with a wavelength of .15nm -assuming my math is
correct- you could fit 2.962963e29 bits into a cubic meter.
That's something like 3*10^16, or three Quintillion ( a little more, really ),
terabytes. Per cubic meter of storage.
Three Thousand Billion Terrabytes, plus a few million.
At current rates, that's enough to store the entire world's data output for
three thousand years, in one cubic meter of crystal, just with current
technology.
Of course, these numbers reflect no growth in total output volume of data, and
use a volume of aproximately 1B TB/Y.
Feel free to check my math, I make no claims to infallibility.
Regards,
A.D.B
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On 2/18/2016 4:21 PM, Anthony D. Baye wrote:
> I get the reference, and understand the concept. However, considering that the
> theoretical limit for volumetric data storage is something like one bit per
> cubic wavelength; given a laser with a wavelength of .15nm -assuming my math is
> correct- you could fit 2.962963e29 bits into a cubic meter.
>
> That's something like 3*10^16, or three Quintillion ( a little more, really ),
> terabytes. Per cubic meter of storage.
>
> Three Thousand Billion Terrabytes, plus a few million.
How many neurons in the human brain?
I'm thinking big, then come the singularity. :-)
--
Regards
Stephen
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Am 18.02.2016 um 17:21 schrieb Anthony D. Baye:
> Stephen <mca### [at] aolcom> wrote:
>> On 2/18/2016 12:18 AM, Anthony D. Baye wrote:
>>> [...]
>>> It would be immune to gamma rays and Electromagnetic interference, and if you
>>> used volumetric data storage, you would probably never run out of space.
>>>
>>
>> That is true. "640K ought to be enough for anybody." ;-)
>>
>
> I get the reference, and understand the concept. However, considering that the
> theoretical limit for volumetric data storage is something like one bit per
> cubic wavelength; given a laser with a wavelength of .15nm -assuming my math is
> correct- you could fit 2.962963e29 bits into a cubic meter.
>
> That's something like 3*10^16, or three Quintillion ( a little more, really ),
> terabytes. Per cubic meter of storage.
>
> Three Thousand Billion Terrabytes, plus a few million.
Careful: As storage space (in the literal sense) increases, area becomes
more and more of a limiting factor rather than volume, for two reasons:
(1) Obviously, nothing can get in or out of a volume of storage space
without passing through the surface.
(2) I concede I might be wrong here, but I'm deeply convinced that at a
fundamental level information transfer through a region of space is
impossible without /temporary storage/ of the information in said space;
in other words, information transfer puts a "load" on the storage medium
that reduces the effective capacity. And while the "load" for even a
single bit of information can be distributed across multiple pathways
(thanks to wave/particle duality), this distribution is across an area,
not a volume (this should be easy to see if you picture the information
transfer as a wavefront traveling through the medium).
This sharing of capacity between storage and transfer is demonstrably
true for conventional electronic memory, which needs data transfer
pathways between memory which reduce the space available for storage
cells, but as I said, I'm convinced it is true for /any/ type of data
storage.
Note that this matches the holographic principle postulated by modern
physics, which states that the maximum information capacity of any
spacetime region is fundamentally limited by its surface area rather
than its volume.
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