Recent content by Aero_Marty

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    Can the Big Crunch Theory Allow for Time Reversal?

    Cool, thanks. So the mass in the universe is effectively being sucked outwards. It sort of makes sense, I am going to do some reading up on this when I get a chance and see what I can find out.
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    Can the Big Crunch Theory Allow for Time Reversal?

    So if the universe is continually accelerating, what's giving it the energy to do so? It can't be gaining momentum from nothing, or is that where dark energy comes in? I am unfamiliar with dark energy.
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    Can the Big Crunch Theory Allow for Time Reversal?

    And thanks for the links to the books, I am familiar with some of the principles. Always good to read up on these things. Thanks again,Marty
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    Can the Big Crunch Theory Allow for Time Reversal?

    Thanks for your response. I was unaware the big crunch theory had been ruled out. I understand what you're saying, but what would the effects of this exact time-reversal symmetry be on entropy? I know that entropy is only ever able to go one way, but if the timeline is reversed would the...
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    Amazing BO-105 Aerobatic Flight Display

    Thanks Fred, that was awesome. I didn't know inverted flight was possible? I know the basics of helicopter theory, I am currently doing a project on helicopter rotors and did my dissertation on human powered helicopters, but havn't really looked into flight limitations. How does inverted...
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    Can the Big Crunch Theory Allow for Time Reversal?

    Hey everyone, I have a limited knowledge in this field, but am very interested in it and am able to understand the concepts. I wanted to talk about the 'big crunch' and one of the theories relating to it. In my studies I came across this theory, where if the big bang theory is correct and...
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    Travelling faster than the speed of light?

    Haha... pigeons, awesome. Ah I see, so nothing is actually transported at all. If I'm getting this right, then the analogy to teleporting a human say, would be that an exact copy of their physical form at that current point in time would have to be given to an existing "blank" body at...
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    Travelling faster than the speed of light?

    Hey everyone, Im new to this forum, was not sure whether or not to post this question here... I heard about an experiment where a beam of light was aparently teleported a short distance, I am unsure as to how this is possible, but my question is regarding the speed that beam is travelling...
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    Software for designing parts of a jet

    Are you still in high school? If you are interested in jet aeroplanes you should do an Aerospace Engineering course or equivalent at university. Then you should have access to the software you need for designing jet engines/aeroplanes. Im currently doing my masters year and my university...
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    Helicopter rotor blade stress calculations

    Thanks for your help, I'll have a look into that
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    Helicopter rotor blade stress calculations

    Heyhey, I am currently doing my final year masters project which involves testing rotor blades. I am performing a stress analysis of the blades. I will be using FEA software, but I also need to do some hand calculations. I have been looking for formulas for a while now, but I am unsure which...
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