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(IFL Science)   Japan proposes building a Dyson Sphere   (iflscience.com) divider line 94
    More: Unlikely, Dyson sphere, solar farm, Japan, Geostationary Orbit, solar power, Japan Aerospace Exploration Agency  
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4760 clicks; posted to Geek » on 19 May 2014 at 6:58 PM (13 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2014-05-19 05:12:18 PM
They are just jealous because they didn't invent it and don't want to pay to license the patent.
 
2014-05-19 05:41:14 PM
Hm.  The word farking can appear in a site image, but not in the comments?
 
2014-05-19 06:13:50 PM
Dyson sphere?

www.vacuumcleanerreviewstoday.com
 
2014-05-19 06:15:28 PM

haemaker: Hm.  The word farking can appear in a site image, but not in the comments?


A lot of servers, mostly at people's school or work, block sites that have profanity in their text but not pictures.
 
2014-05-19 06:20:24 PM
Is there enough matter in the solar system to actually build a true dyson sphere?
 
2014-05-19 06:20:56 PM
A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.
 
2014-05-19 06:35:00 PM
dvdmedia.ign.com

Approves
 
2014-05-19 06:43:33 PM

Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.


Yeah, a Dyson Sphere would have the radius of a star system. Dyson said fark that and went to work for CyberDyne instead, with mixed results.
 
2014-05-19 06:51:59 PM

ArkAngel: [dvdmedia.ign.com image 440x330]

Approves


That episode was disappointing.  It would have been much cooler if they found it inhabited with, say, 100 trillion people...
 
2014-05-19 07:05:02 PM
that sucks
 
2014-05-19 07:19:28 PM
Well I watched Gravity and that made me an expert on space, so, wouldn't all that space junk flying around like a never ending bullet storm just rip the thing to shreds?
 
2014-05-19 07:20:43 PM
Maybe if they start with a small one.
 
2014-05-19 07:24:17 PM
Yeah they didnt have much luck with nuclear.

/ducks
 
2014-05-19 07:24:49 PM

Scrotastic Method: Well I watched Gravity and that made me an expert on space, so, wouldn't all that space junk flying around like a never ending bullet storm just rip the thing to shreds?


Not if they, you know, used their laser blasters.
 
2014-05-19 07:25:42 PM

Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.


This.

On a somewhat related note, does anyone else think that the Game of Throne opener takes place inside of a Dyson sphere, or is it just me?
 
2014-05-19 07:33:08 PM
10,000 metric tonnes? Lift costs alone will be at least $50 billion and could easily be twice that.
 
2014-05-19 07:42:34 PM

NerdCoreRageQuit: Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.

This.

On a somewhat related note, does anyone else think that the Game of Throne opener takes place inside of a Dyson sphere, or is it just me?


I've been thinking it's a "hollow Earth" type of layout.

/and I've never heard how Dusin spheres shed the build up of heat. The energy has to go somewhere.
 
2014-05-19 07:44:02 PM

meanmutton: 10,000 metric tonnes? Lift costs alone will be at least $50 billion and could easily be twice that.


Time to capture & mine an asteriod.
 
2014-05-19 07:55:00 PM
What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?
 
2014-05-19 07:59:56 PM

talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?


free energy?
 
2014-05-19 08:00:01 PM

talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?


Godzilla
 
2014-05-19 08:04:57 PM
FTA: "These floating solar panels would actually be tethered to a station on the ground..."

Yeah, that's the beginnings of a space elevator. Materials scence is not there yet, IMO. Besides, we don't need a tether to keep a satellite in a geostationary orbit.
 
2014-05-19 08:08:39 PM
I knew Gundam was popular in Japan, but I think they are taking it just a bit too far.
 
2014-05-19 08:09:03 PM

Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.


Came to say this. Space based solar is some we should be doing, but a Dyson Sphere it ain't.
 
2014-05-19 08:10:06 PM

Jgok: FTA: "These floating solar panels would actually be tethered to a station on the ground..."

Yeah, that's the beginnings of a space elevator. Materials scence is not there yet, IMO. Besides, we don't need a tether to keep a satellite in a geostationary orbit.


Space elevators are as much science fiction as Dyson spheres. Friction would bring it crashing down.
 
2014-05-19 08:14:40 PM

Mugato: Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.

Yeah, a Dyson Sphere would have the radius of a star system. Dyson said fark that and went to work for CyberDyne instead, with mixed results.


After faking his death, he eventually went on to found the secret shadow government B613.
 
2014-05-19 08:15:45 PM

meanmutton: Jgok: FTA: "These floating solar panels would actually be tethered to a station on the ground..."

Yeah, that's the beginnings of a space elevator. Materials scence is not there yet, IMO. Besides, we don't need a tether to keep a satellite in a geostationary orbit.

Space elevators are as much science fiction as Dyson spheres. Friction would bring it crashing down.


That's why Astro-Glide was creates.
 
2014-05-19 08:16:36 PM

talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?


Long pork BBQ?
 
2014-05-19 08:17:06 PM

Mad_Radhu: meanmutton: Jgok: FTA: "These floating solar panels would actually be tethered to a station on the ground..."

Yeah, that's the beginnings of a space elevator. Materials scence is not there yet, IMO. Besides, we don't need a tether to keep a satellite in a geostationary orbit.

Space elevators are as much science fiction as Dyson spheres. Friction would bring it crashing down.

That's why Astro-Glide was creates.


So, giant space dildo?  Fair enough, I concede the point.
 
2014-05-19 08:24:20 PM

meanmutton: 10,000 metric tonnes? Lift costs alone will be at least $50 billion and could easily be twice that.


That sounds like a lot of money, but it is a tiny amount compared to what is spent on military.  Once these things become considered necessary for national security, they will miraculously be built.

I remember everyone saying that the Hyperloop can NEVER be built because, at 6 billion dollars, it might as well have an infinite cost.  But we spend that much on two years worth of military aid to Israel, which is basically like flushing money down the toilet.
 
2014-05-19 08:25:41 PM

talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?


Still safer than nuclear power.
 
2014-05-19 08:42:39 PM

NerdCoreRageQuit: Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.

This.

On a somewhat related note, does anyone else think that the Game of Throne opener takes place inside of a Dyson sphere, or is it just me?


i've wondered that, as well; re the scape of the map at the opening credits; how it curves upward.   Unless they are living in a "giant's eye" per their heathen religions.    I'd hoped it was a Dyson Sphere and at the end of the books/show they come upon one of the hidden, crashed or disused colony ships.  Like in "Last Exile".

Oh and they explain their de-evolution into high medieval barbarians.   A Dyson Sphere would also explain how there was no industrial age sparked by higher energy fuels like coal, or petroleum.
 
2014-05-19 08:45:35 PM
Read the article; the Dyson Sphere I was promised was not evident.   Just an interesting and more feasible solar satellite farm.   I'd rather the earlier Japanese plan to put a belt of solar panels around the moons equator; and beam that juice to earth.   Not like we are using it (moon) for anything else.
 
2014-05-19 08:47:10 PM

talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?


as far as microwave transmission goes...absolutely nothing.
/me thinks you don't know how it really works. It's safe.
 
2014-05-19 08:47:28 PM

Artemus_Hackwell: de-evolution into high medieval barbarians


img.fark.net

Too far back de-evolvement-wise?
 
2014-05-19 08:48:48 PM
Bout time they started working on it, 2040 isn't too far away
img4.wikia.nocookie.net

Who's making the hardsuits 'cause I want one and will get surgery/hrt if needed.
 
2014-05-19 08:49:36 PM
 
2014-05-19 08:56:37 PM

whither_apophis: NerdCoreRageQuit: Cagey B: A Dyson sphere completely encompasses a star and captures most or all of the energy it radiates into space. What is being proposed here is not a Dyson sphere.

This.

On a somewhat related note, does anyone else think that the Game of Throne opener takes place inside of a Dyson sphere, or is it just me?

I've been thinking it's a "hollow Earth" type of layout.

/and I've never heard how Dusin spheres shed the build up of heat. The energy has to go somewhere.


The "bottom" (outside) of a Dyson sphere is exposed directly to the vacuum of space. Probably pretty easy to dissipate heat that way.
 
2014-05-19 08:57:46 PM

talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?


It turns off? Just a thought.
 
2014-05-19 08:59:13 PM
SquiggsIN: Artemus_Hackwell: de-evolution into high medieval barbarians

Too far back de-evolvement-wise?


I've become a creationist because of the TNG episode where all the crew became evolutionarally regressive forms of themselves and the ST:Voyager episode where transwarp drive advances a person's evolution to the point where they become salamanders. So evolution and all science for that matter is bullshiat.
 
2014-05-19 08:59:47 PM
So, All they have to do is build a space station 30 times as large as the IIS, Lift it into an orbit 100 times as high as the ISS.  Cover it in solar panels that last much longer than anything that have been manufactured so far, without any possibility of maintenance.  Then develop a solid state terawatt (i don't know of one more powerful than 15 watts currently) MASER, that can operate continuously for decades without human intervention.  (currently the life span is measured in minutes).

Saying that the required hardware could be created in 50 years would be overly optimistic. It would take another 20-30 to build and put it into orbit.  Even then you have to figure out where to put the receiving station.  The microwave energy would kill anything that walks, crawls, flies or swims within a mile or so of the receiving station.  There is also a real good chance it would also heat atmospheric moisture enough to alter local weather.

This isn't going to happen in my lifetime, and I plan to live forever.
 
2014-05-19 09:00:59 PM
How about a Dyson Cube?

img.fark.net
 
2014-05-19 09:16:11 PM

HK-MP5-SD: So, All they have to do is build a space station 30 times as large as the IIS, Lift it into an orbit 100 times as high as the ISS.  Cover it in solar panels that last much longer than anything that have been manufactured so far, without any possibility of maintenance.  Then develop a solid state terawatt (i don't know of one more powerful than 15 watts currently) MASER, that can operate continuously for decades without human intervention.  (currently the life span is measured in minutes).

Saying that the required hardware could be created in 50 years would be overly optimistic. It would take another 20-30 to build and put it into orbit.  Even then you have to figure out where to put the receiving station.  The microwave energy would kill anything that walks, crawls, flies or swims within a mile or so of the receiving station.  There is also a real good chance it would also heat atmospheric moisture enough to alter local weather.

This isn't going to happen in my lifetime, and I plan to live forever.


Just about everything in this post is wrong. Impressive!
 
2014-05-19 09:18:08 PM

whither_apophis: and I've never heard how Dusin spheres shed the build up of heat. The energy has to go somewhere.


The precise and entire point of a Dyson Sphere is to capture the total energy output of a star.

One would assume that a civilization technologically advanced enough to have energy needs which require building a structure that englobes a star will have pretty good energy handling capabilities.
 
2014-05-19 09:20:29 PM

HK-MP5-SD: So, All they have to do is build a space station 30 times as large as the IIS, Lift it into an orbit 100 times as high as the ISS.  Cover it in solar panels that last much longer than anything that have been manufactured so far, without any possibility of maintenance.  Then develop a solid state terawatt (i don't know of one more powerful than 15 watts currently) MASER, that can operate continuously for decades without human intervention.  (currently the life span is measured in minutes).

Saying that the required hardware could be created in 50 years would be overly optimistic. It would take another 20-30 to build and put it into orbit.  Even then you have to figure out where to put the receiving station.  The microwave energy would kill anything that walks, crawls, flies or swims within a mile or so of the receiving station.  There is also a real good chance it would also heat atmospheric moisture enough to alter local weather.

This isn't going to happen in my lifetime, and I plan to live forever.


Derp.
 
2014-05-19 09:20:55 PM

mr lawson: talkertopc: What happens if there is a malfunction and the 1 GW microwave or laser is aimed at a random point in a city?

as far as microwave transmission goes...absolutely nothing.
/me thinks you don't know how it really works. It's safe.


What if it hits a silo full of popcorn?
 
2014-05-19 09:23:41 PM

big pig peaches: What if it hits a silo full of popcorn?


still nothing.
 
2014-05-19 09:30:08 PM
The Dyson "ball" was a crackup every time.
 
2014-05-19 09:32:23 PM
What if it hits the Arecibo?
 
2014-05-19 09:33:06 PM
What if Peter hadn't caught the wolf? What then?
 
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