[Marxism] Large Hadron Collider: Swindle of the Century?
hartin at mail.desy.de
Mon Oct 19 22:31:10 MDT 2009
Its not such a big point but the timeline presented in an earlier post
here about magnet problems at the LHC was not right. The problem in the
fermlab triplet which occurred mid 2007 was resolved in a few months. The
current problem with the quench in Sep08 that lead to several magnets been moved
from their mounts has taken about a year - thats largely because they have
now tested every splice and have developed and installed a computerised
quench protection system. Probably that should have been done before but I
expect there was a certain amount of management pressure to get the thing
rolled out last September. There are 5000 superconducting magnets and
1000s of other magnets and the machine itself is its own prototype and
prodution machine rolled into one, so I'm only surprised that there hasnt
been more problems - but maybe they are still to come.
By the way, if the Higgs exists then it most likely will not be discovered
(statistically significantly that is) until about 5 years of runtime -
that doesnt mean that there wont be lots of interesting surprises in the
I'm not sure its that wise particularly for physicists to put all there
eggs in big baskets like the LHC - its too easy for the big projects to be
sabotaged by government funding agencies like the SSC and the ILC were.
And its too much like "big physics" for me - too many managers and
> in single electron diffraction, the electron interacts once with the
> slits and then hits the target, and in fact you do not see the
> interference pattern until many different electrons pass through. this
> experiment, by the way, is a great way to introduce quantum behavior
> to undergraduates.
I still think that Young's double slit experiment is fascinating. The cool
thing is that if you know which slit the electron/photon passes through
then the diffraction pattern "collapses"
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