From: g_d_pusch_remove_underscores@xnet.com   
   Copy: christophershay@worldnet.att.net   
      
   "Christopher Shay"  writes:   
      
   > "Gordon D. Pusch"  wrote in message   
   > news:giznc8tsb9.fsf@pusch.xnet.com...   
   >> Marc 182  writes:   
   >>   
   >>> In article ,   
   >>> g_d_pusch_remove_underscores@xnet.com says...   
   >>>> zoltanccc@aol.com (Zoltan Szakaly) writes:   
   >>>>   
   >>>>> I have recently found out that a hamster was levitated by applying   
   >>>>> a strong magnetic field of 16 Teslas using a superconducting   
   >>>>> electromagnet.   
   >>    
   >>>>> You could also use it compensate for the effects of acceleration.   
   >>>>> For example a car hitting a wall, could be equipped with a magnetic   
   >>>>> airbag that decelerates the people without harm to the internal   
   >>>>> organs.   
   >>>>   
   >>>> Again, it is not practical for object as large as a human being,   
   >>>> even in a one-gee field, let alone the peak of tens to hundreds   
   >>>> of gees experienced in an automobile collision. Furthermore,   
   >>>> even if sufficiently strong field gradients _could_ be produced,   
   >>>> the amount of stored energy in the field would be impractically   
   >>>> large. Still further, the inductance of the field coils will be   
   >>>> so large that it is utterly impractical to energize them with a   
   >>>> fast enough rise-time to offset the rate of onset of the collision.   
   >>>>   
   >>>> Finally, since the force is primarily exerted on soft tissues with   
   >>>> varying water contents, while bones are massive and do not contain   
   >>>> significant quantities of water compared to soft tissues, the   
   >>>> differential accelerations sustained by the various parts of the body   
   >>>> will still kill you.   
   >>>   
   >>> You missed one.  In a collision things break. When your superconductor   
   >>> breaks all that magnetic energy has to go somewhere. In this case I'd   
   >>> expect a rather showy explosion.   
   >>   
   >> Indeed --- you are quite correct.   
   >   
   > A showy explosion, eh?  *Now* we're getting somewhere!  Could this showy   
   > explosion be, ah, directed along a particular path?  Say, behind a   
   > vehicle?  Or toward a target?   
      
   There are =MUCH= easier way to build a bomb, a shaped charge, or a rocket,   
   and most of them will release =MUCH= more energy than can be stored in a   
   superconducting magnet made of any known materials.   
      
      
   -- Gordon D. Pusch   
      
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