CERN Profile Banner
CERN Profile
CERN

@CERN

Followers
3M
Following
4K
Media
4K
Statuses
8K

#CERN is the European laboratory for particle physics, home to the Large Hadron Collider #LHC. French: @CERN_FR

Geneva
Joined June 2008
Don't wanna be here? Send us removal request.
@CERN
CERN
12 hours
RT @CERNpress: [Press Release] Elusive romance of top-quark pairs observed at the LHC. Find out more: https://t.co/….
0
66
0
@CERN
CERN
2 days
Here we see a prototype alignment system based on the Structured Laser Beam (SLB). Due to its unique characteristics, it can establish a long reference line, suitable for the alignment of particle accelerators. #FunFact: this diffractive laser can maintain focus over hundreds of
Tweet media one
Tweet media two
Tweet media three
Tweet media four
17
147
425
@CERN
CERN
5 days
RT @CERNpress: [Press Update] Slovenian flag raised at CERN. The Slovenian flag was raised today at a ceremony held at CERN to mark the cou….
0
92
0
@CERN
CERN
6 days
#ThrowbackThursday to March 1976 🪞. Here we see the assembly of the lead counter for the OMEGA experiment, a large detector capable of studying a wide range of particle interactions. That year, OMEGA was adapted for the Super Proton Synchrotron program and studies focused on
Tweet media one
Tweet media two
Tweet media three
Tweet media four
12
121
264
@CERN
CERN
7 days
Today's #PhotoOfTheWeek features AMS-02, a magnetic spectrometer for particle physics that has been operating on the International Space Station since 2011. Built to study dark matter, #antimatter, and the origins of the Universe, it is about to receive a major upgrade to dig
Tweet media one
Tweet media two
15
168
422
@CERN
CERN
9 days
Here we see the first Beam Position Monitors (BPM) produced in CERN’s workshops for the #HiLumiLHC, the successor to the Large Hadron Collider. The BPM is a device that measures the position of the particle beam in the accelerator in a non-intrusive way. It uses four pick-up
Tweet media one
Tweet media two
Tweet media three
Tweet media four
26
275
611
@CERN
CERN
11 days
RT @CERNpress: [Press Release] Venice event brings future of particle physics into focus. Find out more: https://t.….
0
157
0
@CERN
CERN
13 days
Fancy a sonnet? 🎶. #ThrowbackThursday to spring 1971, when La Psalette, a Geneva choir, and a harpist filled CERN's Main Auditorium with music. #DidYouKnow: the Main Auditorium at CERN is renowned for hosting significant events, like the announcement of the Higgs boson
Tweet media one
Tweet media two
Tweet media three
Tweet media four
16
163
317
@CERN
CERN
14 days
Ready, set, #Bike2Work 🚲. This #PhotoOfTheWeek features a festive group bike ride organised #AtCERN to celebrate the end of the #Bike2Work challenge. Between May and June 2025, a total of 11,156 people took part in this year’s challenge, forming 320 teams. CERN and more than
Tweet media one
Tweet media two
Tweet media three
Tweet media four
13
137
291
@CERN
CERN
16 days
RT @CERNpress: [Press Release] CERN welcomes Slovenia as its 25th Member State. On 21 June 2025, Slovenia became a Member State of CERN. Fi….
0
233
0
@CERN
CERN
16 days
Find out more:
Tweet media one
3
7
35
@CERN
CERN
16 days
Here we see the PAX (antiProtonic Atom X-ray spectroscopy) experiment, the first user of the antimatter factory's new test beamline, TELMAX. PAX aims to test the theory of quantum electrodynamics (QED), which describes the interactions between light and charged particles under
Tweet media one
Tweet media two
Tweet media three
Tweet media four
24
83
300
@CERN
CERN
19 days
Tweet media one
Tweet media two
Tweet media three
Tweet media four
1
13
41
@CERN
CERN
19 days
This #ThrowbackThursday highlights moments from the Future Circular Collider (FCC) conference, held last month in Vienna, Austria. A variety of public engagement activities – including the Wheel of Science, Pint of Science, discussions on "The Higgs Boson and Our Lives", and
Tweet media one
Tweet media two
Tweet media three
Tweet media four
12
46
199
@CERN
CERN
21 days
Which other emblematic place #AtCERN deserves to be on this list? Let us know below. 👇.
3
10
25
@CERN
CERN
21 days
8️⃣ The SMi2 magnet assembly hall, the only place where the magnets can be lowered.9️⃣ CERN’s Data Centre in Meyrin, the heart of CERN’s computing power.🔟 Synchrocyclotron, CERN’s very first accelerator
Tweet media one
Tweet media two
Tweet media three
3
11
49
@CERN
CERN
21 days
5️⃣ Antiproton Decelerator, which slows down antiprotons so they can be used to study antimatter.6️⃣ The SM18 facility, where components for the #HiLumiLHC are being tested.7️⃣ Office of one of CERN’s leading theoretical physicists, John Ellis
Tweet media one
Tweet media two
Tweet media three
1
5
17
@CERN
CERN
21 days
Do you have a favourite place #AtCERN? 🫶. In today’s #PhotoOfTheWeek, we highlight some of CERN’s many iconic places:. 1️⃣ CERN Science Gateway, our science centre for education and outreach.2️⃣ The tunnel of the Large Hadron Collider (LHC).3️⃣ Globe of Science and Innovation.4️⃣
Tweet media one
Tweet media two
Tweet media three
Tweet media four
20
65
282
@CERN
CERN
23 days
Here we see the Linear Accelerator 4 (Linac 4), one of CERN’s accelerators. #DidYouKnow: some accelerators #AtCERN, such as Linac 4, are learning to operate autonomously thanks to artificial intelligence. This "auto-pilot" mode will be essential for the #HiLumiLHC, which will
Tweet media one
Tweet media two
38
210
604