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Other Games / Re: Steam. TF2 on Saturday the 21st February at 9PM GMT +0? Scout update!
« on: February 17, 2009, 10:40:12 pm »
Do you have TF2? I have a guest pass.
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Yes, they have opposite effects, but it actually 'proves' or gives evidence for both, as you have to take both speed and gravity dilatation in consideration when coming up with a time difference for satellites. The air plane experiment, lemme look for it in the wikipedia, also had taken both theories in order to come up with a result, specially speed, since one plane flew westwards around the globe and another east, notice one actually had the time difference increased and the other, decreased, showing evidence of speed dilatation. Ah, here it is, page with experiments, theories, evidences, alternative theories, etc.Sorry to barge in, but as the guy who majored physics in college I have to say that once upon a time people took atomic clocks. synchronized them, put a couple into airplanes, flew around the globe and measured the difference comparing with the expected from relativity's formulas. It was precise enough, some guys contested the precision, but even so, it shows relativity is there.
Oh, and gps only works due to relativistic formulas. One because of how gravity affects time and two because of speed. One almost counters the other in the case of GPS, but if I remember correctly, gps clocks must run a lil bit slower than earth's. I remember we calculated that in college.
Thats interesting. I dont have a strong opinion on this topic and i'd be curious to learn more. according to the articles i've read, gravitational relativity is different from velocity based relativity. while GPS (and presumeably the airplane experiment you mention) have confirmed to the best of our ability to measure, gravitational based time dialation, it does not touch on the other kind.
Now, these links are to the wiki and i dont mean to trumpet their veracity, but they provide some interesting reading. If Dreiche had read and understood his own linked article about GPS, it kind of confirms the same thing. But I'm sort of done with reading his posts.
anyway, this: http://en.wikipedia.org/wiki/Time_dilation talks about how gravitational based time dialation is a principal of General Relativity, which is a theory that has all kinds of supporting evidence and corroboration. further details here: http://en.wikipedia.org/wiki/Gravitational_time_dilation but the first article also describes velocity based time dialation whis is part of Special Relativity, which I am not aware of any actual evidence for.
the velocity time dialation tests cited in the article i linked seem... anicdotal at best. vague studies of barely understood principals that could have several causes. Now, I could be totally wrong on that, and would be very curious to lear more if you could point me at other reding or relate anything you remember from your courses.
but really? in a game? probably not very much fun to simulate inertial acceleration to relativistic speeds.
As in, a carrier that carries several capital ships? xD
To physics discussion:
I am disturbed by the lack of Capital Ship Carrier in that discussion.
That's an awesome move, automatically dosboxing it.That seems to be fairly common. I bought a Space Quest box which contains all six games. All but the last are run through DosBox. It was nice not having to manually set up each game, though.X-com 1 & 2 cannot be played on vista. It's a directdraw issue, old programmers used to jack in all wrong and they kept backward compatibility with crazy named functions til vista where they decided, no more backdoors. So there you go, no badly programmed dd games in vista. Unless someone actually remakes it, no x-com. I think Steam's just like gametap's.
You can dosbox it however.
I'm playing X-com 1 on 64-bit Vista Ultimate this very moment via Steam. It appears Steam actually use DosBox for it.