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Sturgeon's House

Sturgeon

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Posts posted by Sturgeon

  1. I don't know that elected politicians have much effect one way or another.  Does anyone remember how Bush II initially ran on a platform of "humbler foreign policy" in contrast to the ambitious nation-building programs undertaken by the Clinton Administration?  Fast forward three years and "neocon" is shorthand for "panders to the religious right, but also engages in ambitious nation-building programs."

     

    It's almost as though politicians say whatever they think will get them elected, proceed to get elected, then find out that they are completely unqualified to do the job they were elected to do, end up having civil servants write all their policy and legislation for them, but take credit for it because they have enormous egos and no self awareness.

     

    To be fair, even doing that it's still a tremendously stressful job. I see it more as Pratchett's sacrificial princes. Executive politicians are in this really shitty position where everyone expects results they can't provide because they don't have the power to do so, nor the competency, nor the will. They are used up and then thrown away for public spectacle.

  2. Like I said. I was informed quite succinctly by my friend who has tested the rockets used by NASA to drop bits of equipment on comets and planets that the major reason Pluto is not a "planet" is its irregular orbit and the fact that its gravitational pull hasn't cleared out the interstellar objects from its orbit.

    I'm taking his word for it. Sorry.

     

    I totally agree with that... Not sure why it seems like we're disagreeing.

     

    Ultimately it really boils down to a world's tallest midget contest and it really doesn't matter in the great scheme of things if we call it a small planet, dwarf planet or planetary object. It's still there.

    It's much like the nonsense surrounding the brontosaurus vs apatosaurus debate. Someone screwed up in the past the creature everyone knew as a brontosaurus is suddenly supposed to be called an apatosaurus. Another great win for the pedantic among us.

     

    Well, it matters in our scheme of things; how we understand the universe is important, and classification is a major tool for accomplishing that.

  3. Oh come on now. Animation Domination has some funny - juvenile albeit - videos. And it's mostly making fun of creationists and American culture.

    A lot of this is just arbitrary arguing over taxonomy and lexicon that has been leftover from the days when scientists thought Latin and Greek were pure languages and finding the "Missing Link" was going to change everything.

    Whether Pluto is classified as a planet, planetoid object, dwarf planet or the Roman god of the Underworld doesn't change the fact that there is a largish chunk of rock with an irregular orbit around the sun in the Keiper belt that has a moon and hasn't gravitationally cleared its orbit of interstellar debris.

    What we call it is the least interesting thing to me about Pluto. I think it's a planet but my friend who test rocket engines that have been used on all the NASA missions you've seen in the news assures me it's not. Either way it doesn't matter when you really think about. It's like defining an "assault weapon".

    The taxonomy of living creatures falls under the same category and most folks are walking around with the outdated kingdom, phylum, class, order, family, genus, species terminology derived from the good old days when it was a demonstrable fact that White Anglo Saxon Protestants were superior to Catholics who were superior to Chinamen, Eskimos and Bushmen.

     

    I do not watch TV, so I don't know what "Animation Domination" is, but that video in particular wasn't funny to me. I understand why it's supposed to be funny, but it isn't. My explanation as to why is above.

    Pluto's not a planet, because classifications like that exist for the purposes of convenience for our brains. If Pluto's a planet, a shitload of other objects in the Solar System are also planets, and that's... Really not convenient.

    Most folks are wrong. Real scientists are working with cladograms which, while they simplify considerably what actually happens in evolution, aim to emulate lineages properly. It's not perfect, and a whole lot is still uncertain and contested, but they're making a real effort to represent reality properly.

  4. I dunno; if people want cool movie monsters, there are all sorts of those.

    The way dinosaurs actually were, on the other hand, is not a matter of our preference.

    Even when I try to sympathize to this sentiment on the level of "yeah, but scary, scaly dinosaurs that ROAR were cool because they were supposed to be real", I can't help but think... Sure, but eagles are cool, so are hornbills, lammergeiers, kestrels, falcons, moas, hell, even ducks have giant hellish screw-shaped rape-tentacle penises.

    All of those are dinosaurs that live right now! Isn't that inspiring, just like the idea that one day in the past packs of scaly, hunched-over man-sized demons stalked the earth? Besides the fact that nature doesn't serve our taste of what's awesome or not, isn't there even more now that dinosaurs are birds and birds are dinosaurs to see as "awesome" and inspiring?

    Sure, Spielberg's T. rex was cool, but isn't Conway's elephant-sized hell-gorilla up there also fucking cool? Isn't that also inspiring? Isn't this fucking inspiring?



    And that's not just an eagle, it's a dinosaur.

    For that matter, Pluto's not a planet anymore, sure, but Pluto's not a planet not because scientists wanted to be mean and make the universe more boring, but because they discovered that the Solar System was full of other things like Pluto. Not hundreds, but thousands of them. Isn't this Solar System:

     

    asteroidbelt_map.gif

    with its thousand, million separate worlds, each waiting for magnificent discovery by man, perhaps in your lifetime(!) more compelling and enriching than this one?

    pluto.jpg

    If one can't get inspired, if one can't be so moved as to hold back tears and whisper awesome under his breath at the thought of all that, then their soul is a dead stone that weighs them down, rather than lifts them up.

    I feel this way, and that's why I don't think that video is funny.

  5. Got the cladogram wrong in my head. FORGIVE ME!

     

    I'm not arguing that a vibrantly colored Tyrannosaur is wrong, it just implies much about the way it likely would have behaved. A olive-drab colored creature is going to behave differently than a creature that looks like its from Mardi Gras. The way it hunts, mates, and interacts with other animals is very dependent on the appearance of the animal. 

     

    That's very different than saying there's no proof that it had feathers. There's no direct evidence that it had feathers. There's a lot of compelling indirect evidence that it did have feathers, however.

    And tigers are orange.

  6. No.

    "Reptile" is not a cladistically meaningful term. Sauropods are saurischians, so are theropods. They diverge after saurischians diverge from ornithischians. This would have been after the earliest evolution of protofeathers, which are most likely homologous to the structures found on pterosaurs.

    What, tyrannosaurs aren't allowed to be colorful? Says who? That you think it would look aesthetically wrong doesn't matter.

     

     adult-at-etty-bay-c-tony-kennedy.jpg

  7. I don't think there is proof that later tyrannosaurs were feathered, it is just their earlier cousins. While I think the feathers are possible, the scaly T Rex cannot be disregarded as it is possible that feathers were lost in the evolution of T Rex or that it lost feathers as it gained maturity. 

     

    Now raptors, there is enough evidence to show that they had feathers. Deinonychus should only be known as a feathered animal, not a scaly one and can we please give it its proper name in movies?

     

    Here is a quote by some dweeb paleontologist on the matter. "“There is no empirical evidence that tyrannosaurids had feathers, and artists have no business decking them out with plumage until the day comes when a tyrannosaurid is found with feathers.” He also argues that unpublished findings from imprints of tyrannosaur relatives(Albertosaurus?) indicate scaly skin. 

     

    I do think the fuzzy tyrannosaur is the much more likely scenario, it is not definitive.  

     

    ​It is also needed to know when did feathers evolve and did they just evolve from a single common ancestor. If multiple species developed feathers at multiple points over the Mesozoic then a feathered ornithischian doesn't have to indicate that ceratopsians were feathered. Feathered sauropods would mean that feathers dated back to the Triassic were protosauropods evolved. 

     

     

    If T. rex were a tank or a rifle or an airplane, this would be the correct stance. Just because many designs by one designer have a certain feature does not mean another design does. Until you have direct evidence that it did have said feature, you cannot make that assumption.

    Evolution does not work this way. Traits are heritable from one type to the next. Strange as it sounds, the absence of a feature in one type that was present in its ancestors does not represent a "default" condition, it represents an active mutation.

    T. rex's ancestors had feathers. T. rex had feathers, until we can prove they did not.

    One does not reconstruct multituberculate mammals without fur. They are mammals; it is obvious that they had fur, unless there's reason to believe they didn't.

    Cladistically speaking, birds are dinosaurs, dinosaurs are not birds. But human brains are weird and there's a lot of sludge we've accumulated over time from repeated exposure to Godzilla-esque pop culture "Terrible Lizards", and to help clean all this out, you should chant this mantra over and over until you are seeing feathered dinosaurs in your sleep:

    Birds aren't dinosaurs. Dinosaurs are birds.

  8. First, let's start with a trailer for a movie practically reveling in its poor child actors:



    Wait! Don't go, there's a method to my madness! The comments section, I think, is an excellent microcosm of popular opinion on feathered dinosaurs. There are comments ranging from excitement over this (assuredly terrible) film just because it has a feathered T. rex to awesomebros taking their ball and going home because the big carnivores don't look like some sort of Godzilla alternative.

    Now, the stage is set. Let's have a thread about motherfucking feathered dinosaurs.

     

    tyrannosaurus-rex.jpeg

  9. I think you would have been mostly limited in takeoff run distance, especially with a good payload. This is why you see about zero multirole delta winged birds until relaxed stability becomes a thing. This means while the F-106 is an excellent interceptor, when you try to deploy it with a bunch of bombs and shit on a forward airbase it doesn't do so well.

    Especially when it's hot.

    And humid.

  10. The Zumwalt-class DD was brought up in Mech's PLAN compendium thread. It reminded me that my father sent me an email a while back with his thoughts on the type; I found it to be a pretty interesting read:
     

      The DDG-1000 Zumwalt class of destroyers is very interesting, sometimes in a good way and sometimes in a bad way. The Navy terminated the class at only three ships based on cost per ship (~$3 billion each) but also based on perceived risk and a definite degree of mission mismatch (naval guns as the main armament). In this sense the Zumwalt class is clearly a failure (success looks like the DDG-51 Arleigh Burke class, where we are cranking them out at a steady rate off into the future and already have a whole bunch of them). However, it is the component technologies that make the Zumwalt class interesting in a good way:
    1. The ship is "all electric" in that there are no engines (gas turbines, steam turbines for nuclear, or diesels) directly driving the propellers via a reduction gear and shaft. Instead, main propulsion is provided via electric motors driving the propeller shafts using power taken from the main electric power bus. Thus, propulsion is just another electric power consumer that can be traded off against other electricity consumers (such as radars, weapon systems, etc.) all fed from a distributed network of gas turbine electric generators. There is literally nothing like this in the rest of the Navy, and I predict that this will be the biggest "feature" of the Zumwalt class and will be replicated over and over again in our future ship-class designs.
    2. The ship is fully networked, and all systems are on the net. (The CVN-78 Ford class aircraft carriers are also networked in this way.) This is both good and bad. Good because a fully networked system gets you great visibility and control of your systems. Bad, because "OMG, what if the Chinese sneak a military computer virus into our combat systems and it takes them down!" This concern has actually driven what is being called the Navy's "Cyber Awakening", where they are now starting to get their collective heads around this issue as a warfighting concern, not just a IT concern. In a close analogy to the Navy's "Sub Safe" program (where any component of a US Navy submarine has to be certified as being safe for submarine use), look for a US Navy "Cyber Safe" program coming to a warship near you in the near future.
    3. The ship has significantly reduced manning compared to other ships with similar capabilities (e.g. other destroyers). The DDG-1000 class has a crew complement of approximately 150 officers and men, compared to the DDG-51 class with a complement of nearly 300. This is huge, because the largest "cost" in the Navy is the cost of personnel, and therefore the Zumwalt should be significantly cheaper to man. (One the largest enablers of this reduced manning is the network capability mentioned above -- fewer folks needed in the engine room, etc.)
    4. The "Tumblehome" hull (where the hull slopes inward away from the water, rather than flaring outward as with other destroyers) is designed to provide significantly reduced radar cross-section, which should make the ship much harder to detect and track on radar. (Theoretically the DDG-1000 has the radar cross section of a small fishing boat.) However, reduced radar cross-section can be tricky to achieve and maintain (and how do you know in normal operations?), and the Tumblehome hull can cause significant problems with sea-keeping and stability -- 100 years ago, ships with this hull type routinely rolled over and sank because of this issue. The Navy claims that this problem has been dealt with and isn't an issue, but time and real-world operational experience will tell. I predict that this is a hull design that won't be repeated in future Navy ship designs, although there may be individual low-observable features that may make the leap to future designs.
    5. The two large guns (155 mm Advanced Gun System) as the ship's main armament. This is an advanced (but otherwise conventional, e.g. gunpowder) naval gun that can fire rocket-assisted, extended-range fin-glide precision-guided projectiles out to approximately 60 miles. However, it is hard to imagine that this has tremendous utility in today's Anti-Access/Area Denial (A2/AD) with regard to China, where stand-off needs to be measured in hundreds of miles. However, it will make a great naval gunfire support platform if Marines are ashore and the naval threat is low (admittedly a very limited-case operational scenario).
    6. Various other weapons system features, such as distributed Vertical Launch System (VLS) cells around the perimeter of the hull, the AN/SPY-3 radar (limited volume search capability, limiting it to a local air defense role), etc.
    7. Pre-planned "growth room" specifically for projected power-hungry future weapons, such as lasers and rail-guns.
    So I predict that the Zumwalts will be excellent "experimental ships" and much of the technology will be proved out and rolled forward to a new ship class. However the ships themselves as they are currently configured will probably have limited utility compared to more general purpose Navy destroyers. Cheers,
         - Osa

     

     

    Thoughts?

  11. Since this is the place for it, I was wondering how often if the small arms equivalent of APCR has been developed. I konow that sectioned projos are a thing, but these all seem to be homogeneous rather than cored...

     

    M995 and M993 are good examples. The biggest problem is that tungsten is too rare to use for small arms ammunition that often.

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