large hadron collider big science for the 21 st century david lantz
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Large Hadron Collider
Big Science for the 21st CenturyDavid Lantz
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Basics
Circular tunnel with 27km circumference buried 50-175 m underground
Outside Geneva on the Swiss-French border Operated by European Organization for Nuclear
Research (CERN) World's largest particle accelerator
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Purpose
Answer fundamental questions of physics Look into the moments after Big Bang Dark Matter Higgs Boson Supersymmetry
Showcase international scientific cooperation
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What does it really do? The ring is actually two
tracks which intersect
Scientists fire protons down each track, making them slam into each other at extremely high speeds
Acquire data from collisions, which produce high energy similar to after Big Bang
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Why is it worth it?
Physicists have hit the wall
LHC has the potential to further our understanding of the universe in unprecedented ways
Not practical application of science, but practical applications of technologies used
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Concerns
$9 billion project without practical application of findings
Doomsday prophecies
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Triumphs Most expensive science
project ever
Produces 15 petabytes of data per year(1 petabyte = 1 million gigabytes)
It works! Protons sent through rings in Sep 2008, first collisions on Nov 23, 2009
Project involved cooperation between 111 nations
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Where to go from here
Might take up to 3 years to discover Higgs Boson(hypothetical particle)
Talks about upgrading the LHC as well as building even larger particle collider already happening
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Resources Large Hadron Collider Machine Outreach -
http://lhc-machine-outreach.web.cern.ch/lhc-machine-outreach/
CERN - http://public.web.cern.ch/public/en/LHC/LHC-en.html
LHC UK - http://www.lhc.ac.uk/index.html
Wikipedia - http://en.wikipedia.org/wiki/Large_Hadron_Collider
CBC News - http://www.cbc.ca/technology/story/2009/11/24/tech-physics-large-hadron-collision.html
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