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Author Topic: Bitcoin in space.  (Read 3815 times)
Garr255
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May 28, 2012, 06:28:08 PM
 #21

I'd fully support this initiative, but I suspect a significant amount of capital would be necessary.

Indeed it would.

I wonder if Nefario would be willing to pledge 8btc. (GLBSE asset creation fee) Tongue

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BinaryMage
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May 28, 2012, 06:52:54 PM
 #22

I'd fully support this initiative, but I suspect a significant amount of capital would be necessary.

Indeed it would.

I wonder if Nefario would be willing to pledge 8btc. (GLBSE asset creation fee) Tongue

How would we make profit off it though? Seems more like a project for which to solicit donations, not investors...

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May 28, 2012, 07:01:02 PM
 #23

I'd fully support this initiative, but I suspect a significant amount of capital would be necessary.

Indeed it would.

I wonder if Nefario would be willing to pledge 8btc. (GLBSE asset creation fee) Tongue

How would we make profit off it though? Seems more like a project for which to solicit donations, not investors...

At first I thought, "mining in space", but you cant cool the rigs up there...

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May 28, 2012, 07:07:00 PM
 #24

I want an orbiting node!

Quote from: Discover.com
In Orbit Cost: $30 million (an additional $15 million buys a space walk, too)
http://discovermagazine.com/2008/apr/05-space

I pledge 1 Satoshi.
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May 28, 2012, 08:30:10 PM
 #25

garr255

as you are fond of quotes how about "even the longest journey starts with a single step"

I would support an initiative listed on glbse- just go for it- a simple, investment returned if it does not take off (literally) would satisfy most and the reward- a slot on the satelite (it would be worth millions). reg

                http://bitcoinpyramid.com/r/2314
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May 28, 2012, 09:11:03 PM
 #26

A satellite in orbit would greatly increase the range of the Coinapult for sure !

Bitcoin: the only currency you can store directly into your brain.

What this planet needs is a good 0.0005 BTC US nickel.
Garr255
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May 28, 2012, 10:43:29 PM
 #27

garr255

as you are fond of quotes how about "even the longest journey starts with a single step"

I would support an initiative listed on glbse- just go for it- a simple, investment returned if it does not take off (literally) would satisfy most and the reward- a slot on the satelite (it would be worth millions). reg

I will gauge interest with this thread. Hopefully we're able to get enough pledges to even bother with opening up an asset.


A satellite in orbit would greatly increase the range of the Coinapult for sure !

Haha.

At first I thought, "mining in space", but you cant cool the rigs up there...

Of course we will throw some FPGAs and ASICs up there!

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BinaryMage
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May 28, 2012, 10:47:09 PM
 #28

At first I thought, "mining in space", but you cant cool the rigs up there...

Doesn't matter that there's no air, plenty cold ambiently.

Actually, it would be an excellent environment for mining. No cooling required and extremely efficient solar power. If you could manage to get reasonably priced internet bandwidth and a large enough volume, it could be cost-efficient...

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May 28, 2012, 10:51:43 PM
 #29

If you could manage to get reasonably priced internet bandwidth and a large enough volume, it could be cost-efficient...
Anyone know how difficult it would be to maintain a geosynchronous orbit?

Still around.
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May 28, 2012, 11:10:47 PM
 #30

At first I thought, "mining in space", but you cant cool the rigs up there...

Doesn't matter that there's no air, plenty cold ambiently.

Actually, it would be an excellent environment for mining. No cooling required and extremely efficient solar power. If you could manage to get reasonably priced internet bandwidth and a large enough volume, it could be cost-efficient...

The cooling would require heat radiators and maybe even liquid cooling even with FPGA, but it is of course possible. 

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May 28, 2012, 11:31:23 PM
 #31

The cooling would require heat radiators and maybe even liquid cooling even with FPGA, but it is of course possible.  

Its -270.3celsius in space, you would need to warm up the FPGA rather than cool it.

Busy ATM.
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May 28, 2012, 11:44:56 PM
 #32

The cooling would require heat radiators and maybe even liquid cooling even with FPGA, but it is of course possible.  

Its -270.3celsius in space, you would need to warm up the FPGA rather than cool it.

Yup. Heatsinks would be serious overkill. It might even have issues running at that low a temperature...

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Garr255
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May 28, 2012, 11:56:30 PM
 #33

Code:
[Spartan-6] Junction temperature operating range
Commercial (C) range 0 – 85 °C
Industrial temperature (I) range –40 – 100 °C
Expanded (Q) temperature range –40 – 125 °C

http://www.xilinx.com/support/documentation/data_sheets/ds162.pdf

“First they ignore you, then they laugh at you, then they fight you, then you win.”  -- Mahatma Gandhi

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BinaryMage
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May 28, 2012, 11:57:49 PM
 #34

Code:
[Spartan-6] Junction temperature operating range
Commercial (C) range 0 – 85 °C
Industrial temperature (I) range –40 – 100 °C
Expanded (Q) temperature range –40 – 125 °C

http://www.xilinx.com/support/documentation/data_sheets/ds162.pdf

Yeah, that'll be a problem. Guess we'll have to solar-heat the mining rigs.

Man, heating mining rigs. Not exactly a usual combination of words.

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Garr255
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May 29, 2012, 12:06:17 AM
 #35

I just mailed someone who will ask Harvard whether they want to get involved with this. Does anybody have any MIT hookups?

“First they ignore you, then they laugh at you, then they fight you, then you win.”  -- Mahatma Gandhi

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May 29, 2012, 12:11:00 AM
 #36

Wonder if you could get electricity by using Peltier chips backwards - the heat from the miner would run the hot side, and space would run the cold side, and electricity comes out the middle. But that sounds too much like a perpetual motion machine that won't work for some reason.

Or maybe the sun will heat the hot side of the Peltier chips, and the GPUs/FPGAs/ASICs will just dump the heat into space. What is a Peltier chip's efficiency compared to solar?

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May 29, 2012, 12:14:06 AM
 #37

The cooling would require heat radiators and maybe even liquid cooling even with FPGA, but it is of course possible.  

Its -270.3celsius in space, you would need to warm up the FPGA rather than cool it.

Space is a vacuum.  You do not get free cooling by touching nothingness.   The vacuum acts as an insulator and therefore some way of radiating heat via radiation has to be used.  Maybe the WHOLE satellite could use the heat to stay at temperature so heat pipes of some kind would be used.  

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May 29, 2012, 12:16:50 AM
 #38

Wonder if you could get electricity by using Peltier chips backwards - the heat from the miner would run the hot side, and space would run the cold side, and electricity comes out the middle. But that sounds too much like a perpetual motion machine that won't work for some reason.

Or maybe the sun will heat the hot side of the Peltier chips, and the GPUs/FPGAs/ASICs will just dump the heat into space. What is a Peltier chip's efficiency compared to solar?

The peltier chips are much worse then solar except where there is no sun.  Peltier like devices have been used in space to make 'nuclear batteries' like on the voyager probes.

http://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator

 

Garr255
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May 29, 2012, 12:21:57 AM
 #39

While looking at sites featuring Peltier chips, I found this:

lol.

The ultimate questions are: Will we be heating or cooling the FPGAs? Will we be heating or cooling the satellite?

“First they ignore you, then they laugh at you, then they fight you, then you win.”  -- Mahatma Gandhi

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BinaryMage
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May 29, 2012, 12:22:20 AM
 #40

I just mailed someone who will ask Harvard whether they want to get involved with this. Does anybody have any MIT hookups?

I suspect most high-profile universities will be hesitant to associate themselves with Bitcoins.

Even if they are willing, what are we accomplishing here? An intriguing idea, but more a novelty than anything else.

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