Good evening to you,
After an truly amazing weekend with the steemSTEM community on our meetup an CERN in Geneva, Switzerland, I finally managed to peruse through my own pictures. In the hope of contributing to and complementing the already existing reports (some of which you can find collected here) I would like to add some more flavour.
Geneva with the Jet d'Eau
With the meeting inofficially beginning on thursday evening on the French side of the border, everyone including me was really busy with logistical organization, in particular finding each other in the first place. I think this emphasizes the amount of work the organizers such as 
Thankfully I (arriving by plane) managed to join the 2 train crews consisting of 
On the main day of the event, we met in the morning at CERN to take a look at its two permanent exhibitions, the "Microcosm" and the "Universe of Particles"
Lagrangian density of the Standard Model (electroweak+strong interaction) with Higgs terms and some string theory below. Of course this is only a tiny snapshot of the #sexyscience involved.
Fun fact: If you manage to add gravity in there you'll be awarded a Nobel price
The fog chamber: A particle detector you could construct yourself and set up in your living room
The bottle of Champagne commemorating the discovery of the Higgs-Boson
Cryptocurrency cold wallet Storage for collision data. Authentic 1TB hard drives with real experimental data were available for 10€ in the gift shop
After lunch, we migrated over to the French side of the border to visit our main piece of interest, the Compact Muon Solenoid (CMS) detector of the Large Hadron Collider. This experiment specifically designed to pick up signatures of the muon, a heavier relative of the electron, in order to study our standard model of particle physics.
After listening to
Some of CERN's mining operation data servers: A lot of work goes into quickly selecting physically interesting collision data on a hardware and software level
CERN's most reliable detector: A tape strip detecting inflow of refreshingly cool air
Here be dragons radiation: Access to the LHC main tunnel
What the LHC main tunnel would look like if we had been allowed in. It basically looks the same anywhere along the 27km circumference
Cross section of the CMS detector
It is worthwhile to lose a few more words on this piece as it was the main attraction of our visit:
The high energy LHC particle beam is localized within the small metal tube to a few micrometers lateral accuracy. The actual collision center is a few meters to the left along the beam trajectory and obstructed by the detector. When operational, the entire room is completely evacuated and permeated by a magnetic field of about 4 Tesla. Due to being under maintenance we got to see it in this open, partially disassembled state.
On Saturday I tried to discover the city of Geneva by foot and went into the old town and particularly cathedral St. Pierre, before meeting up with 
Maccabbee chapel within the cathedral. Note the beautiful stained windows and frescoes
View over Geneva from the cathedral
The old arsenal with cannons and some mosaic walls
Geneva with the Jet d'Eau from the waterside
This guy tried to eat 
10/10, would meet up again.
Thank you everyone for organizing this event and being there 😊.
