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Everything posted by Sensei
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Press ctrl-alt-del and check out in Task Manager how much memory is consumed during playing video.. On WinXP after booting system and opening Firefox and starting browsing net (3 tabs) memory usage is already 987 MB = ~1 GB almost.
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Low Energy Nuclear Reactions / Cold Fusion (thread split)
Sensei replied to barfbag's topic in Speculations
Which companies ordered, received eCat, and are using it right now for energy production.. ? -
Low Energy Nuclear Reactions / Cold Fusion (thread split)
Sensei replied to barfbag's topic in Speculations
It's not PHOTO. It's 3D computer rendering visualization.... -
Low Energy Nuclear Reactions / Cold Fusion (thread split)
Sensei replied to barfbag's topic in Speculations
Actually it's not me, but my applications that I wrote.. I am just entering data to applications showing fusion and decay energy calculations, and they're showing result for me (and copy'n'paste to posts).. -
Can an atom reach a temperature below absolute zero?
Sensei replied to Buych778's topic in Modern and Theoretical Physics
That's simply not true. Annihilation of proton-antiproton paths are listed below: Total energy prior annihilation is equal total energy after annihilation. Antimatter (antiprotons) are in plasma state when we're creating them in particle accelerators. They don't have positrons (yet). -
[math]\frac{V_1*p_1}{T}=\frac{V_2*p_2}{T}, T=const[/math] When you will decrease volume (f.e. close one end syringe and push it), you will increase pressure inside. In other case: [math]\frac{V_1*p}{T_1}=\frac{V_2*p}{T_2}, p=const[/math] This simplifies to: [math]\frac{V_1}{T_1}=\frac{V_2}{T_2}[/math] But both volume and temperature has to change at the same time, to have constant pressure.
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For your purposes Arguslab should be fine. Remember we're talking about situation with hundreds or thousands atoms. I wouldn't call it buggy - it's simply not using higher version API, but lower. Bug is behaving abnormally, or crashing application, disallowing any usage.
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It means decrease volume, with const temperature.
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Yeah. Algorithm parsing Latex should tell at which character (offset) it failed at least, not to mention full description of reason of failing.. When it happens to me, I am splitting long equation to two, or more. Then part that's wrong is again showing up in Preview Post as "Latex error", while good one is showing correctly. Then repeat it with smaller parts, until reason of failure is obvious. This is typical method of finding error in source code while developing software, when we don't/can't use debugger.
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Half-Life and Radioactivity (Need an explanation) :)
Sensei replied to Nadbuddy's topic in Classical Physics
See this old thread http://www.scienceforums.net/topic/83245-a-question-on-radioactive-decay/#entry806204 I am showing how to set up OpenOffice SpreadSheet for decay rate equation. -
Dr.Evil who is afraid of getting into trouble. LOL. First of all: aquariums, lot of them, different sizes. Second: gold, you will be able to electrolysis water to raw Hydrogen and Oxygen. When you will have aquarium f.e. 25 L with water, and inside 2 smaller aquariums up-side-down (filled with water). First one electrode will produce Hydrogen, second one electrode will produce Oxygen. And aquariums can be used to store them. While using AC 230 V, after rectifying it to pulsing DC 230 V, you can get something like 0.66 L of Hydrogen, and 0.33 L of Oxygen in 10 hours. The smaller voltage, the higher you have area of electrodes and shorter distances between them to have equivalent result, so alternative to high-voltage is a lot of gold.. I think electricity is cheaper. I paid 50 usd for 1 gram of gold the last time at retail. You need double that for a start to avoid reactions. Then you can attach 2nd electrodes to it, going through water, to where is gas (seriously insulated). Plug electrodes to Cockcroft-Walton high voltage generator (hundred electrolytic capacitors connected in setup with rectifying diodes on breadboard), And you will make Hydrogen/Oxygen plasma in gas in these aquariums. Oxygen-Nitrogen plasma looks like this: When you will manage to prevent creation of plasma you can have permanent coronal discharge: (these photos were taken with 25,000 volts IIRC) Of course you know how to produce nitric acid using setup above mentioned (Cavendish method)? ps. 24 carat gold of course... 14 carat has just 58% of gold..
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is there a limit for EM wave frequency and minimum wavelength
Sensei replied to lepton_veecee's topic in Quantum Theory
After pair production, it won't be photon anymore, but particle at its antiparticle (or shower of them). But they have concentrated mass, and high kinetic energy. The highest energy photons ever detected: http://en.wikipedia.org/wiki/Ultra-high-energy_gamma_ray The highest kinetic energy believed to be proton ever detected: http://en.wikipedia.org/wiki/Oh-My-God_particle http://en.wikipedia.org/wiki/Ultra-high-energy_cosmic_ray -
is there a limit for EM wave frequency and minimum wavelength
Sensei replied to lepton_veecee's topic in Quantum Theory
In one frame of reference f.e. v=0, [math]\gamma = 0[/math], photon has one frequency/wavelength/energy when we will be detecting the same photon from other frame of reference f.e. v=0.5, [math]\gamma=1.1547[/math], photon might be redshifted, or blueshifted, and appearing having lower or higher energy.. -
is there a limit for EM wave frequency and minimum wavelength
Sensei replied to lepton_veecee's topic in Quantum Theory
AFAIK black hole must exist in the all reference frames to be black hole. Photon doesn't have reference frame. -
I was talking about from perspective of existing here and now small-farm (what is interesting to Cesar). It'd be much harder to make methane, and store gas, than with liquid ethanol (or methanol).. How are you going to liquefy methane at home in continuous process.. ?
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If I would show two C/C++ source codes for OpenGL v1.0 API, and OpenGL v2.0+ API, would you be able to tell me from memory which is which? I am specialist from optimizations... So I can judge by myself whether code is running efficiently and when it's not. I was surprised by your comment that's so slow working with 100 atoms, and especially downloaded software to check it out by myself. Don't take it personally, you didn't write it after all. On my Core i7 CPU it's working quite fine with ~500 atoms Fullerene (deleting atoms and adding new one is quick). You can quickly calculate quantity of triangles per second rendered by Arguslab while spinning/rotating viewport (while NO MODELING). Calculate quantity of triangles per single sphere, bond, multiply by quantity of atoms, multiply by frames per second, and you have total quantity of triangles code is rendering per second. I am receiving approximately 1.5 mln triangles per second. From other experiments with my own code, I know that's approximately rate when OpenGL v1.0 API is used on my gfx card. After using OpenGL v2.0 API or higher, we can have 50 mln triangles rendered per second. 30 times faster than with OpenGL v1.0 API. See by yourself - load the same FullereneTube.agl, it's in C:\Program Files\ArgusLab\Samples by default it's loaded with no atoms-spheres, just bonds are displayed. Spin viewport, rotate, zoom it. It's going with 30 FPS on my machine. Then press Settings > Display Options, and pick up Rendering Style > Ball Cylinder > High. And then spin, rotate, zoom viewport. It's going with 1 FPS or so.. Jumping. (don't click Fast Render While Moving, it'd be cheating) Try editing this Fullerene object (adding new atoms, removing existing) when Rendering Style is set to Wireframe, and when it's Ball Cylinder High. This is *all* due to using OpenGL v1.0 Such calculation has to be done ONCE. Literally ONCE. When user clicked f.e. "delete atom", or added new atom. It's not infinitely going process. With Arguslab we can see significant slow down while spinning/rotating viewport, when no recalculation of bonds, angles etc is required. ps. Analogy for engineer: you have two engines, one is consuming 1 L of fuel per 100 km, and second one is consuming 30 L per 100 km. Same weight of car. Same velocity. Which one is more efficient.. ? You don't need to be rocket scientist to answer that question...
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Antimatter questions (split from matter-antimatter asymmetry)
Sensei replied to Kramer's topic in Speculations
I gave you it, half year ago+ in PM (private message). Version that would match currently known physical constants. You ignored it. I gave you database of physics theories and discoveries. You ignored it.. -
is there a limit for EM wave frequency and minimum wavelength
Sensei replied to lepton_veecee's topic in Quantum Theory
Black hole from photon... ? Please elaborate this speculation.. -
Everybody needs to have purpose of their life. Everybody needs to have something to do tomorrow. Everybody needs to feel useful for others. Regardless of age. Old people, on retirement, often loses purpose of their life, loses reason to continue their life.. In such state of mind, even minor disease might be deadly..
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Don't forget also about production of ethanol from wastes of vegetables and plants. Just put them to tank with yeast and water, don't let oxygen enter tank, distillate it after couple weeks and you have cheap fuel to burn in engine..
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Programmer who wrote it didn't know how to program OpenGL efficiently. He probably used OpenGL v1.0 API.. OpenGL v1.0 requires sending polygon data every frame. But newer OpenGL have many features that allow uploading data to GPU memory once, and stay there, so spinning,zooming viewport (replaying them from GPU memory) should be extremely fast. On my ancient gfx card (it's maybe 4 years) my game is rendering at 50 millions triangles per second. Which is 1.666 mln triangles per frame at 30 FPS, so it's pretty smooth. When we will have high quality atoms-spheres like 24x12 segments = 528 triangles per sphere. 1.666 mln triangles / 528 triangles = 3155 atoms at full quality, at full FPS.. With this Fullerene, which has 476 carbons, it goes quite smooth (probably something like 15 FPS) at ball resolution set to normal (~224 triangles per sphere). It's still too small to say it's efficient. It could run 30 times faster than that.
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Antimatter questions (split from matter-antimatter asymmetry)
Sensei replied to Kramer's topic in Speculations
You basically don't understand what is told to you. Anti-gravity hypothesis is equal to negative-mass, and negative-energy. Since we have positive mass,positive energy of unstable isotope which is decaying through beta decay plus, emitting positron, then obviously mass and energy of positron also must be positive. -
What you bought? Show link to your new toys..