Recent content by eeka chu

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    Mathematica What Is the Name of the Process Used to Analyze Network Structures?

    I've forgotten the word for a process I'm trying to remember. This process is the named after the person who suggested it (iirc) and it's used to determine the structure of and processing within a network (anything, jumbled up wires etc). Determination is performed by observing what data is...
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    Searching for Purely Chaotic Systems

    Are there any systems that we know of that operate in a purely chaotic, none deterministic manner? I mean in an absolute sense, as opposed to "more chaotic than...". I have two other criteria that I'd like to apply; 1.) systems that we don't suspect may be being determined by something...
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    How To Communicate In An Emp Zone?

    I meant to say... Nickel And yes, a tin box will work. The EMP from something like a nuclear bomb will occur as a very fast transient spike, like lightning. Which means anything conductive in it's way will probably have quite a high inductive reactance to it as it tries to pass through...
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    Could liquid moderators prevent nuclear reactor disasters?

    Couldn't really ask for a better reply. :smile: I watched a looooong documentary about Chernobyl and how they were planning to do that test before opening, but the politics of the situation (wanting to 'show off' the reactor to the public, but more importantly the west) forced them to just...
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    Could liquid moderators prevent nuclear reactor disasters?

    I was thinking, the main source of problems for reactors is cooling down the reaction in an emergency (I mean, in terms of the neutrons as opposed to heat). Chernobyl was an example of where that didn't happen - the rods overheated, bent out of shape and wouldn't fit back in as I'm aware of...
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    What Would Happen if We Tried to Pull the Moon Closer to Earth?

    Now what would that do to our axial orbit, our resulting gravity and the effect on the moon? :tongue: I always thought it was kind of funny watching the waves slosh around on the surface of the sea and thinking, from space this looks flat and this must be what it'd be like to be an electron...
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    Dielectric Constants from solids to pellets

    My first guess would be that these are mistakes either in the measurements themselves or that perhaps they've mixed some of the numbers up whilst building the table. If you could increase the dielectric constant of these materials by forming them into pellets, I would have expected the...
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    What Would Happen if We Tried to Pull the Moon Closer to Earth?

    Step one in this task will be a visit to your local DIY store for 400 million meters of nanotube based twine, most likely a few tens of meters thick in it's centre - you'll need to use a credit card for that probably. Next you'll need incredibly substantial anchoring points positioned on the...
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    How To Communicate In An Emp Zone?

    :biggrin: I was just about to say the same thing. Or if you want to get stylish all over it... a mumetal box. Moooooometal costs 'phat' green though, really 'phat' green. Outside of the scientific world, audiophiles are the only people I know of who make use of mumetal type alloys. I...
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    Alternative current to hall probe

    I'm not totally sure what you're asking but have some limited experience of Hall probes and SQUIDs. It sounds like you're reading the voltage using a phase locked loop, that's the only 'lock-in' amplifier I can think of. A Hall sensor will have two currents, one that flows through the...
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    SASER is the acoustic analog of a laser

    Sounds (meh meh meh meh meeeeh) a bit like some of the research I heard about into cooling and heating things using sound. Seem to be quite a cool (:cool:) topic at the moment. Some guys where trying to build a fridge using a super duper loud speaker. I think the goal may have been to get it...
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    How Do Magnets Continuously Generate Electricity?

    Totally wrong actually, you're forgetting the blue screen sink factor. After an hour two of dealing with the blue screen you'll feel tired and yet have achieved zero gain.
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    Boiling water by high frequency AC current

    Excellent guesstimation work! :smile: To the original poster's question... there are people trying to build weapons using the idea you've described. It works using a high energy pulse from a big bank of capacitors. I think they used quite a high voltage, possibly a few kV or even tens of...
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    High volt result low amp, why?

    I thought he was talking about cooling the wires using water to reduce the heat generated. Theoretically yes, it would provided an advantage but it would be painfully small for most home electronics. You'd have to have a next to 100% free supply of water to make it worthwhile. High power...
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    Medical Is intelligence equal to knowledge?

    The extra arms and things the kids end up with are a result of the radiation causing mutations, very specifically, to the DNA in their parent's sex cells rather than just any part of their body. If all of that mutation was limited to only their parent's own DNA (just in their arm say) the...
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