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IRON BEADS : Fullerenes are produced naturally in VERY low % in normal SootCarbon Arcs can produce C60 and C70 fullerenes quite easily.The EXperimental/speculative methods of Fullerene production includePrecision tuned laser arcs (Japanese)Electron microscope+atom pusher (most research labs) electrostatic vapour deposition tube growers (just an idea)Nanoassemblers (Not available with modern Tech)Scientists have already produced fullerene tubes almost 0.4mm long, which is a LONG tube by todays standards. By the same method, longertubes are possible.Scientists have also imprisioned metallic catalysts within tubes withopen ends to allow the catalyst to react,but not big enough to allow the catalyst to exit and be lost.thats what had me wondering about iron doped fullerenes.(pure speculation,but it sounds right.) Fullerenes have bond character like graphite, with three covalent bondsand a delocalised electron per carbon.
IRON BEADS : MORE NASTY IDEASMonowire in mace spraysMonowire with iron in it/iron beads around it,fired through a magnetic accelerator and cut only when the trigger is released. (like a razor sharp garden hose attack)Monowire with lead/ceramic beads on the end, packed into the frag casing of a grenade. just short 1' lenghts, but lots of them.Monowire strung between 6" tall pop-up posts in a corporate plaza. Rioters are warned to back off,them the posts pop up and people start loosing there feet UNNASTY IDEAS.cables fine as hair and as strong as steel? Wonders of construction. platted together to about 1cm thick and they couldhold suspension bridges and towers beyond what is possible today (Read Red Mars be Kim stanly robinson=They use a giant cable to tether an asteroid to the surface of Mars,and ride the cable like a giant beanstalk to space with very little energy needed)
IRON BEADS : Interesting. Where can I find more about this?I assume the magnet has to be a electric conductor.Is this field equal to the electric potential when it is calculated with Lorenz forces (E=Bvl)?Or is this a completely different effect?Mostly in older books on electromagnetism or relativity; modern authorsseem to feel it is an uninteresting curiosity, and spend little timeon it. There is a reasonably good discussion of it in Chap D-IV of``Electromagnetic Fields and Interactions'' by Richard Becker (now available in an inexpensive Dover Press paperback edition).No --- the material used is irrelevant, since the effect is purely kinematic;it is caused by the Lorentz transformation properties of bulk magnetization.Wilson and Wilson used magnetized iron beads embedded in wax, and a recentreplication of this experiment by Hertzberg et al used an insulating ceramicI think that you can't measure a voltage on the disk when it is stationaryand the magnet is spinning is because the (debatably) moving field fromthe rotating magnet induce equal but opposite emf's in the disk and in the external measuring wires. The nett voltage to observe is zero. Q.E.D.If you could separate them you might have a chance at measuring somethinginteresting.
IRON BEADS : I did the experiment with the copper loop in the voice coil gap and yes,I could measure several millivolts whenever *EITHER* the conductor orthe magnet was rotated, but with both of them rotated together - nothing.Try it yourselves and see just what I mean.I use to think of a magnet as having lines sticking out of the ends. When I was a kid, I read in books that these lines cut across wire to produce a current. I carried that baggage around for the rest of my life. If I had taken a formal coarse in electromagnetics, I would have learned something else. At any rate, last summers little experiment changed the way I saw a magnetic field. The magnet is surrounded by vectors that tell you the direction and intensity of the field. These vectors are the only quality of the field we know and measure. When the magnet is rotated, these vectors don't change. You can imagine them getting drug around with the magnet but it doesn't do any good because the direction and intensity of the field doesn't change.
IRON BEADS : If you are getting a reading then it must be that your magnets field isn't perfect. The only way you can induce a current in the coil is if the flux through that coil is changing. If you are measuring current, it is AC, right? If you were to use a scope you would see a waveform of period that matched a revolution of the magnet. Closer to perfect the magnet the smaller the effect.Hi Dan. Thanks for looking through the old posting. I have no formalqualification in these things; just good at observation and intuition.Sure, the magnet's field isn't perfectly uniform, but the amount offlux cutting the copper at any given moment doesn't change becausethe copper fills the entire circular "length" of the gap. All the fluxgoes through the copper so it is effectively uniformly perfect. (unlikemy grammar!) The total flux traversing the copper at any given momentnever changes.
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