![]() The experimenters and their colleagues at other experiments know this perfectly well, of course. Extracting the signal is a matter of using statistics over many such events - a tricky business. (If you are measuring something incorrectly, it doesn’t matter that you measure it very carefully.) In particular, the mismatch between the expected and observed timing amounts to tens of nanoseconds but any individual “event” takes the form of a pulse that is spread out over thousands of nanoseconds. some unknown miscalibration somewhere in the experiment or analysis pipeline. There is another looming source of possible error: a “systematic effect,” i.e. But that doesn’t mean it’s overwhelmingly likely that the result is real it just means it’s overwhelmingly unlikely that the result is simply a statistical fluctuation. The OPERA folks are claiming a six-sigma deviation from the speed of light. ![]() This isn’t one of those annoying “three-sigma” results that sits at the tantalizing boundary of statistical significance. ![]() All that would instantly change, of course, if it were independently verified by another experiment at that point the gleeful jumping up and down will justifiably commence. It’s just a very difficult experiment, and given that the result is so completely contrary to our expectations, it’s much easier at this point to believe there is a hidden glitch than to take it at face value.
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![]() RealFuels models tank mass solely as a function of tank volume, not tank area.RealFuels doesn't properly model mass distribution within propellant-filled tanks nor the effects of bulkhead positioning.MechJeb & kOS (real spacecraft are nearly fully automated).RealAntennas (highly simplified yet still the most realistic antenna model so far).Kerbalism with ROKerbalism configuration (the best stab at realistic life support requirements yet).Also models the "lumpiness" of real planetary bodies. Essential if you hope to do anything resembling real spaceflight. You can accurately simulate the ISEE-3 mission in KSP. Principia applies a high-speed, very accurate n-body gravitation model to KSP. This is by far the single most important mod to take KSP from "game" to "simulation". Models boiloff of cryogenic propellant and feed issues caused by ullage under negative acceleration. Otherwise, you have "oxidizer" and "liquid fuel" instead of LOX and LH2. FAR overwrites the stock aerodynamics model with one that properly simulates supersonic and hypersonic flow phenomena & drag characteristics. FAR and RealFuels are required for RO to work. Otherwise, you have ridiculous mass fractions and crazy engines which lead to schemes like the famous (but completely unrealistic) "asparagus staging". You can't even start to be realistic if you're flying between fictional planets. ![]() The mods that I consider critical for making KSP "simulation worthy" are: I helped (somewhat) to develop the RSS/RO/RP-1 mod suite (which, respectively, are and do: Real Solar System, which gives you the Sol system, appropriately sized and massed Realism Overhaul, which gives you historical engines with historical masses, thrust, specific impulse, and rated burn times and Realistic Progression One, which requires star trackers/radio beacons for vehicle control & provides a career progression & tech tree roughly approximating the historical development of space-related hardware). The list goes on, and only you knows what parts of reality you want to deal with. This is often exactly what we desire.Īre you trying to get a feeling of how much hardware is required to get from A to B? KSP can probably help you.Īre you deciding the architecture of the next generation orbital launchers? KSP will probably not give you very meaningful results. Simulators fundamentally select some specific part of reality, and abstracts everything else away. Ultimately, we come back to the same question: What are you trying to achieve? A very very minor part of what managing space hardware actually entails. Where's the engine development, testing, quality control, assembly, equipment failure, etc.? If all the program does is applying the acceleration vector an engine produces, those same calculations could be done on the back of an envelope. While I'm assuming that your mods can take into account the myriad of different propellant combinations, the game fundamentally has to leave out what makes stuff work. While the base game's atmospheric model and re-entry heating could certainly be modified to be more realistic, the experience is ultimately not going to hold up to most serious simulations and actual missions. But it still misses out on some n-body effects, like Lagrangian points.Īerodynamics is a completely different beast, mostly because it's inherently much more complex than orbital mechanics. Kerbal Space Program uses 2-body patched conics to approximate orbits, which is what we care about in most "practical" space-flight anyway. If we assume that your proposed mods take care of oddly sized planets and orbits, the orbital part isn't very far off. ![]() With those general considerations out of the way, the game is indeed a physics simulator, simulating:Īs you have noted, the base game takes quite some liberties with all of those. Can a computer program easily estimate scientific value of space activity? Geopolitics? What stuff costs and what you can get a budget for? (people often fail spectacularly predicting all of those, even in real life). A game-like simulator will have trouble quantifying many of the underlying motivations. ![]() Ultimately, it's the goal that shapes what missions end up looking like. Real world space travel has many different motivations, like for instance: For all simulators, the core question is: What is it trying to simulate? ![]() ![]() ![]() How to use pro landscape companion serial numberĮmperor of the north full movie version 1Įrror ooce machine type and serial number are invalid lenovo supportĪssassin's creed brotherhood pc multiplayer crack skidrowįree download youtube downloader software full version latestĪvs video converter 8. Avast Cleanup Premium Crack version for your Windows, Mac and Android. Runner 2 steam-rip cracked-rg gameworks seattle Avast cleanup is a popular cleaner not only for windows but for Mac as well. 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