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Gem-Producing Skyscraper

Build a skyscraper on coal
 
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Seems to me that one could select a construction site with relatively common seismic activity. The building's foundation is prepared, with coal lain down. The pressure associated with the weight of the building, combined with the friction associated with earthquakes may result in the building's carbon base being converted to beautiful diamonds after a few years. Mining those diamonds from under a skyscraper, however, may be a challenge.
effervescent, Apr 20 2003

Gyro Architecture http://www.halfbake.../Gyro_20Achitecture
[2 fries shy of a happy meal, Oct 17 2004]

[link]






       The Diamond as Big as the Ritz
bristolz, Apr 20 2003
  

       <...pluterday, in the sub-basement of the Chrysler building with a handful of graphite, briskly rubs her hands together...> Doesn’t work, eff.
pluterday, Apr 20 2003
  

       converted into diamonds after a few hundred thousand years
colaaddict, Apr 20 2003
  

       Not if you use (j(a(c(k(ham)m)e)r)s)
thumbwax, Apr 20 2003
  

       Eerrmm, what's a skycraper? Is it some sort of invisible pigeon?   

       It's going to be awfully warm in this basement. The consensus seems to be that temperatures exceeding 1500K are required, along with pressures in excess of 50,000 atm. That's 705,000 psi.   

       The WTC towers were each about 500,000 tons, so that would mean that each tower would be balanced on an area of 1617 in^2, or 11&1/4 ft^2, or 1m^2. That's about 40in x 40in (About the size of a 4 seat restaurant table), for a building that weighs as much as 6 x Nimitz Class aircraft carriers, carrying full combat loads.   

       I have a feeling you'd be able to watch your 'skycraper' sinking slowly into the ground.
UnaBubba, Apr 20 2003
  

       What if you were to house an enormous gyroscope, which pivots on a very large ball socket at the top of the building and then balanced the whole thing on an extremely small base? [link]
Sorry, couldn’t stop myself.
  

       Foiled again. Those darn scientists.
effervescent, Apr 21 2003
  

       Scientists?
UnaBubba, Apr 21 2003
  

       "Batman is a scientist!"
--Homer Simpson
krelnik, Apr 21 2003
  

       >The consensus seems to be that temperatures >exceeding 1500K are required, along with pressures >in excess of 50,000 atm. That's 705,000 psi.   

       If thats true, how the heck did any get made naturally??? In a volcano? Diamond is flammable btw.   

       Regards, Claws.
Claws, May 05 2003
  

       //In a volcano?// Why do you think they are "always" mined from volcano shafts? (yes)
my-nep, Feb 04 2004
  

       how the hot fudge sunday are diamonds flammable? they're carbon. carbon's what you get left over after all the flammable stuff has burned up
politiquefiction, May 12 2004
  
      
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