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Aug 8 4 tweets 4 min read
#OnThisDay in 1902, the theoretical physicist Paul Dirac was born.

As we #FollowTheProtons to CERN’s #Antimatter Factory, what better way to start than by celebrating the work of this young physicist and his @NobelPrize-winning equation?
@NobelPrize In 1928, Dirac wrote an equation to describe the behaviour of an electron moving at a relativistic speed. It could have two solutions: one for an electron with positive energy, and one for an electron with negative energy.
@NobelPrize This equation, in some way, predicted for the first time the existence of an anti-world identical to ours, but made out of antimatter.

What would you ask him about antimatter if you could meet him? 🎂
@NobelPrize The first picture shows a still from a film about the @LHCbExperiment, where actor John Kohl played the role of Paul Dirac; the second picture shows Paul Dirac himself next to a backboard.

Find out more about #antimatter research at #CERN: home.cern/science/physic…

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More from @CERN

Jul 14
On 13 July, CELESTA was launched into #space aboard #VegaC.

Here are the quick facts:
🛰️ It is the first CERN-driven satellite
🤖 It will study radiation's effects on electronics
🤝🏽 It is a collaboration with @umontpellier

🎥 @esa
@Arianespace @CNES @esa_sts
@umontpellier @esa @Arianespace @CNES @esa_sts #CELESTA was tested entirely at the CHARM facility.

Protecting satellites against radiation is a challenging and costly task. Some of CERN’s facilities are able to reproduce the environment of Earth’s orbit at a low cost, and help with radiation testing: kt.cern/aerospace/faci…
To study the effect of space radiation on electronics, CERN has developed a radiation monitoring device, Space RadMon, taken into space with the #CELESTA microsatellite aboard #VegaC.

Lightweight and low-power, it is ideal for future space missions: kt.cern/aerospace/radi…
Read 4 tweets
Jul 13
The first collisions of #LHCRun3 🤩

In this #PhotoOfTheWeek, take a look at the first high-energy collisions recorded by the LHC's @ATLASexperiment, @CMSExperiment, @ALICEexperiment and @LHCbExperiment, as well as other experiments, such as @FASERexperiment and SND. 👇
A Toroidal LHC Apparatus (ATLAS) @ATLASexperiment

Display of a collision event recorded by ATLAS on 5 July 2022, when stable beams of protons at the energy of 6.8 TeV were delivered to ATLAS for the start of #LHCRun3.

(1/6) Image
Compact Muon Solenoid (CMS) @CMSExperiment

Display of a collision event recorded by CMS on 5 July 2022, when the collisions at the record energy of 13.6 trillion-electronvolts (TeV) were first recorded by the #LHC experiments. #LHCRun3

(2/6) Image
Read 5 tweets
Mar 30
Today’s #PhotoOfTheWeek is all about the @LHCbExperiment. We are almost ready for #restartingLHC, so here are some of the tasks involved in the upgrade of the LHCb experiment. 💪
@LHCbExperiment ✅ Upgrade of the VErtex LOcator, a detector used to determine the exact point where the particles collide. One of its sensors is just 5mm away from the beam. Brand new modules were installed, with 40 million active pixels.
@LHCbExperiment ✅ New mirrors for the ring-imaging Cherenkov (RICH) detectors: this system consists of two huge digital cameras that measure the speed of particles. The lens system of the cameras is made of about 200 flat and spherical mirrors immersed in special gases.
Read 6 tweets
Jun 21, 2021
“I would like to express my deepest gratitude to the many partners in our Member and Associate Member States and beyond who are making the #CERNScienceGateway possible, in particular to our generous donors.”
Fabiola Gianotti, CERN Director-General Image
🔴 Follow the webcast of the first stone ceremony of the #CERNScienceGateway: webcast.web.cern.ch/event/i1046896
“We will do our best, not only in the construction & operation of the #CERNScienceGateway but also more widely to ensure that science maintains a place of integrity and trustworthiness, of international collaboration aiming for peace”
Ursula Bassler, President of the CERN Council
Read 6 tweets
May 13, 2020
🛠 Did you ever want to make your own particle detector?
Here is your chance! Build this low-cost open hardware project, investigate natural radioactivity around you and become a true citizen scientist: scoollab.web.cern.ch/diy-particle-d…
#DidYouKnow that Silicon-based detectors similar to this one are widely used in high-energy physics experiments?
The #Medipix collaboration makes the technology behind silicon pixel detectors available for applied physics domains such as medical imaging.
medipix.web.cern.ch Image
Do you like cold summer drinks? 🍹🏖
Today, we show you how to use supercool thermodynamics to create your own cryogenic system in your kitchen.
Read 5 tweets
Mar 25, 2020
Find out which particle best fits your personality, learn about the properties of elementary particles & share your result below: cern.ch/identities

In light of #COVID19 keep your spacetime distance - be a #fermion 😏 Image
To educators: read more about this activity and how to use it with your students on the #CERN #SCoolLAB website scoollab.web.cern.ch/particle-ident… Image
#Bubblechambers are able to produce fascinating visualisations of particle tracks, but are no longer used @CERN. Therefore, why not get creative & share your homemade #bubblechamber #kitchenart ImageImage
Read 21 tweets

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