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PostPosted: Sun Nov 18, 2018 9:08 pm 
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Is it just me, or did she get the idea to broadcast a TAD from a distance by projecting it through a wormhole?

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PostPosted: Sun Nov 18, 2018 10:35 pm 
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This is either genius or idiocy.

Time will tell.

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PostPosted: Sun Nov 18, 2018 11:07 pm 
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I'm waiting for Kevin Andreson's (Prime), and Ellen Foxworthy's projects to interfere in interesting ways.
Alternately, I'm waiting for Jengisha and Kevin Foxworthy to meet in a bar, and gripe about their bedmates unpleasant tendencies to climb out of bed and go right to work.


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PostPosted: Mon Nov 19, 2018 12:48 am 
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If "teraport a tad" was something that would work, you'd wonder why Petey isn't already doing that. The most obvious problem though is that Terraporting to Andromeda is expensive to begin with, so the TADs would need to be built in galaxy to be efficient, which makes them vulnerable to enemy attack and further resource constraints.


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PostPosted: Mon Nov 19, 2018 1:46 am 
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sotanaht wrote:
If "teraport a tad" was something that would work, you'd wonder why Petey isn't already doing that. The most obvious problem though is that Terraporting to Andromeda is expensive to begin with, so the TADs would need to be built in galaxy to be efficient, which makes them vulnerable to enemy attack and further resource constraints.

Or he simply hasn't thought of it. Being super-intelligent doesn't prevent a person from having blind spots. And Petey knows it, which is why he keeps collecting all these meat-space people.


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PostPosted: Mon Nov 19, 2018 6:36 am 
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Teraport a deactivated TAD generator with a timer that activates it a few microseconds after it arrives. Simple.


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PostPosted: Mon Nov 19, 2018 7:56 am 
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Random Wanderer wrote:
Teraport a deactivated TAD generator with a timer that activates it a few microseconds after it arrives. Simple.

That's the easy way. I'm wondering if she's going to figure out how to BEAM a TAD field to a certain point in space.

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PostPosted: Mon Nov 19, 2018 9:25 am 
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It might be possible to use the input to/from the TAD generator to adjust the wormhole generator in realtime to counter the effects of the TAD generator.

For that TAD generator only, of course.

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PostPosted: Mon Nov 19, 2018 1:11 pm 
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Think bigger. Create a TAD generator powerful enough to gain complete coverage over the Milky Way and all nearby surrounding galaxies. Prior to activation, broadcast the TAD compensation key galaxy-wide so that it doesn't disrupt teraport activity within the Milky Way. It doesn't matter if the Pa'anuri also get the key, as knowing it won't help them to not be disrupted.


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PostPosted: Tue Nov 20, 2018 12:30 am 
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Is the TAD field FTL?

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PostPosted: Tue Nov 20, 2018 3:48 am 
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with the comparison being ‘a Gun that shoots TAD’, the teraport TAD is going to be a remotely created TAD field, and one that can make for an obnoxious weapon. For dealing with andromeda, sweeping a TAd field remotely across the galaxy one sector at a time may be cheaper than saturating the galaxy with TAD creating devices.

Now the hemisphere ships with tad-proof capacity make sense. If you can remotely interdict Teraports around Earth, such cages can secure transit routes against third parties trying to remotely disrupt earth transportation.


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PostPosted: Wed Nov 21, 2018 4:05 am 
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FreeFlier wrote:
Is the TAD field FTL?

I believe TAD propagates at the speed of gravity.

Yup, work that one out.


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PostPosted: Wed Nov 21, 2018 10:05 am 
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evileeyore wrote:
FreeFlier wrote:
Is the TAD field FTL?

I believe TAD propagates at the speed of gravity.

Yup, work that one out.


Well...according to Honor Harrington, gravity is a handy way to communicate FTL, but I think real gravity propagates at the speed of light.


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PostPosted: Wed Nov 21, 2018 4:52 pm 
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Sean wrote:
evileeyore wrote:
FreeFlier wrote:
Is the TAD field FTL?

I believe TAD propagates at the speed of gravity.

Yup, work that one out.


Well...according to Honor Harrington, gravity is a handy way to communicate FTL, but I think real gravity propagates at the speed of light.


The postulates of special relativity are:
(0) Mathematical physics works (aka our math is valid and can describe the universe, this isn't usually listed but it is needed)
(1) There is a preferred speed (aka there is a measurable speed that is a physical constant of the universe)
(2) There is not a preferred inertial frame (aka there is no such thing as speed except as measured relative to some other object).

If you accept these postulates, then the same math that gives you the Lorentz-Fitzgerald contraction equations as a consequence gives you that the preferred speed is unique. (Because the size of the effects are directly dependent on the preferred speed, if gravity goes at some speed other than "c", call it "d" then the observed contraction has to be consistent with both "c" and "d" being used in the same spot in the same equations, which means they are the same.)

Thus, if gravity has a consistent speed, it must be "c". Note that "instantaneous" is also a measurable speed, so that's not it.

SF that allows FTL typically exists in a universe where one of (0), (1), or (2) is incorrect. Since (0) is kind of fundamental, and (1) is observably true, I tend to go with (2) being wrong in those universes. In which case, gravity CAN have a different speed.

I strongly suspect the fact that gravity waves have been observed and match prediction, makes it very hard to justify instantaneous gravitational effects in the real universe.


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PostPosted: Thu Nov 22, 2018 2:49 am 
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Doug Lampert wrote:
...

I strongly suspect the fact that gravity waves have been observed and match prediction, makes it very hard to justify instantaneous gravitational effects in the real universe.

Yup. A recent astronomical event was observed simultaneously through gravity wave detection and EM observation, which means gravity waves propagate at the speed of light. (Edit: or very close to. I got excited and jumped the gun a little.)

https://en.wikipedia.org/wiki/GW170817

It is a very exciting time to be an astro person.


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PostPosted: Thu Nov 22, 2018 2:15 pm 
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Motortiki wrote:
Doug Lampert wrote:
...

I strongly suspect the fact that gravity waves have been observed and match prediction, makes it very hard to justify instantaneous gravitational effects in the real universe.

Yup. A recent astronomical event was observed simultaneously through gravity wave detection and EM observation, which means gravity waves propagate at the speed of light. (Edit: or very close to. I got excited and jumped the gun a little.)

https://en.wikipedia.org/wiki/GW170817

It is a very exciting time to be an astro person.

Less exciting if you're a science fiction writer that relied on gravity for FTL travel/communication

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PostPosted: Thu Nov 22, 2018 4:10 pm 
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evileeyore wrote:
FreeFlier wrote:
Is the TAD field FTL?

I believe TAD propagates at the speed of gravity.

Yup, work that one out.


Well, TAD operates by detecting nearby nanowormholes and disrupting them with competing gravitic wavelengths, so ultimately, you're limited by the speed of your detection and gravity generation systems, which are both well below the speed of light, so that's your bottleneck.

Of course, being well below the speed of light is still more than fast enough to royally screw up a Teraport.

TAD isn't a 'blanket' within which wormholes cannot be generated, it's targeted disruption. That's how it's possible to have authorization keys.


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PostPosted: Fri Nov 23, 2018 1:50 am 
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grahamf wrote:
Motortiki wrote:
Doug Lampert wrote:
...

I strongly suspect the fact that gravity waves have been observed and match prediction, makes it very hard to justify instantaneous gravitational effects in the real universe.

Yup. A recent astronomical event was observed simultaneously through gravity wave detection and EM observation, which means gravity waves propagate at the speed of light. (Edit: or very close to. I got excited and jumped the gun a little.)

https://en.wikipedia.org/wiki/GW170817

It is a very exciting time to be an astro person.

Less exciting if you're a science fiction writer that relied on gravity for FTL travel/communication

Eh, FTL travel/communications has always had universe wrecking implications, and that hasn't stopped scifi writers before. Why should this stop them now now?


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