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Ellie Rusack
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Your understanding of the Universe is about to change...

Attention Science Lovers – Hangout at the Large Hadron Collider

The Large Hadron Collider (LHC) is a gigantic scientific instrument near Geneva, where it spans the border between Switzerland and France, about 100 m (or 300 feet) underground. It is a particle accelerator used by physicists to study the smallest known particles – the fundamental building blocks of all things. The Compact Muon Solenoid (or CMS) is one of the LHC's experiments, and is furthering our understanding of particle physics, from the minuscule world deep within atoms to the vastness of the Universe.

Come join us on an exclusive Google+ Hangout and visit the CMS underground experimental cavern – off-limits to most of the world. Have a virtual visit with with senior physicist Albert De Roeck. Learn more about the magical world of physics and ask us your questions.

Join us for the deepest ever Google+ Hangout!

Comment below to let us know why you would like to participate, and send in your questions! A few of you will be invited to join the Hangout.

(Some places will be reserved for schools from around the world.)

Important details
Host location: The CMS Underground eXperimental Cavern (UXC), ~100 m underground, Cessy, France (
Date: 10th February 2012
Time: 17:00 – 18:00 Central European Time (UTC +1) | Start time around the world:

#CMS #CompactMuonSolenoid #LHC #CERN #ParticlePhysics

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Attention Science Lovers: Hangout at the Large Hadron Collider!

Location: The CMS Underground eXperimental Cavern, ~100 m underground, Cessy, France (
Date: 30th January 2012
Time: Around 1230-1300 hrs Central European Time (GMT +1)

The Compact Muon Solenoid (or CMS) experiment [1] is one of the LHC's general-purpose experiments. To-morrow, I will be in the CMS Underground eXperimental Cavern (UXC) with the spokesperson of the CMS Collaboration, Joe Incandela. Joe has kindly agreed to participate in a (short!) Hangout in front of the beautiful CMS detector [2], and will answer your questions about the detector itself, the #LHC and #physics !

Since I don't have Hangouts on Air, only a very limited number of people will be able to participate, so it will be nice if you could stay for a while and let someone else join. The whole Hangout will probably not last much more than 10 minutes. This time. ;) [3]

If any teachers or lecturers would like to join this Hangout from their classrooms and involve their students, please leave a comment (or send me a message) and I'll try and give you preference.

Joe and I should be online for the Hangout sometime between 1230 hrs and 1300 hrs Central European Time, if not earlier. Do the maths, and make sure you're not late. We'll try to start in that time bracket, but there are a lot of things to do, so no promises!

Do spread the message and join us for this unique Hangout! After all, in how many subterranean Hangouts have you participated?

Perhaps +Katherine Gramann, +Natalie Villalobos and +Chee Chew could pass this on as well.

[1] CMS Website:
[2] CMS Photobook:
[3] Depending on how this one goes, I hope to organise more Hangouts from the CMS UXC in the future. Perhaps we'll get Hangouts on Air in the future and more of you can join.

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