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The CERN Webcast collection offers access to particle physics lectures and seminars. This service allows you to watch archived lectures at your convenience. Lectures that are planned to be recorded in the close future can also be found from this page. Currently, videos are streamed using mainly RealNetworks technology.

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- Videotapes
- Acad. Training Lect.
- Sum. Student Lect.

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- Video Service
- LIVEfromCERN
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Webcast

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2024-04-19
14:30

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Ending the Analogue Telephony Era / Sierra, Rodrigo (speaker) (CERN)
While CERN is celebrating 70 years of science, the analogue cabling and telephony exchange connecting the traditional phones have been decommissioned after several decades of faithful service. The in-house TONE project (Telephony Open-source Network Evolution) started in 2016 and have been replacing all fixed-telephony services offered by CERN’s legacy Alcatel-Lucent telephone exchange since then. In 2020, CERNphone was born and the end-users’ phones (analogue, digital, IP and Microsoft softphones) have been migrated to this new softphone application during the last two years. This presentation will describe the fixed-telephony service journey from its early days until the retirement of the analogue world in 2023..
2024 - 0:49:02. IT Technical Forum (ITTF); Ending the Analogue Telephony Era External links: Talk details; Event details In : Ending the Analogue Telephony Era

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2024-04-19
09:15

Computer Networks in HEP (1/2) / Trigazis, Spyridon (speaker) (CERN)
2024 - 0:59:42. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-19
09:15

Computer Networks in HEP (2/2) / Trigazis, Spyridon (speaker) (CERN)
2024 - 0:34:01. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-19
09:15

Generative Machine Learning in HEP: Simulation and beyond / Vaselli, Francesco (speaker) (Scuola Normale Superiore & INFN Pisa (IT))
Generative Machine Learning models are at the forefront of many recent developments in science, with groundbreaking implications. High Energy Physics is no exception, and a wide range of algorithms is already being used to speed-up and improve simulation, monitor data quality and perform anomaly detection [...]
2024 - 0:50:12. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-19
09:15

Advanced git course: How to git good! (1/2) / Rossi Tisbeni, Simone (speaker) (Universita e INFN, Bologna (IT))
This 2-hour course will teach you how to use Git beyond the basic add, commit, push routine. We'll consolidate core concepts and introduce powerful commands like switch, restore, rebase, and reset. [...]
2024 - 0:45:20. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-19
09:15

Advanced git course: How to git good! (2/2) / Rossi Tisbeni, Simone (speaker) (Universita e INFN, Bologna (IT))
This 2-hour course will teach you how to use Git beyond the basic add, commit, push routine. We'll consolidate core concepts and introduce powerful commands like switch, restore, rebase, and reset. [...]
2024 - 1:05:53. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-18
15:55

The charm and beauty of probing CP violation with the CMS detector / Bragagnolo, Alberto (speaker) (Università e INFN, Padova (IT))
The study of CP violation is critical for understanding the asymmetry between matter and antimatter in the universe. This seminar presents the CP violation in Bs to J/psi Phi and D0 to KsKs decays measured with the CMS detector at the LHC using Run 2 data [...]
2024 - 1:04:40. LHC Seminar External link: Event details In : The charm and beauty of probing CP violation with the CMS detector

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2024-04-17
09:33

Exploring the higher structure of symmetries / Del Zotto, Michele (speaker) (Uppsala U.)
An increasing amount of evidence indicates that symmetries of quantum fields are in correspondence with topological membranes of various dimensionality, encoding the conserved quantum numbers of local and extended operators. One feature of topological membranes is that they can form intricated networks of topological junctions, which give generalized symmetries a higher structure. [...]
2024 - 1:13:01. TH String Theory Seminar External link: Event details In : Exploring the higher structure of symmetries

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2024-04-17
09:01

The perfectly parallel program: Architectures for hardware acceleration and heterogeneous computing (1/2) / Wettersten, Zenny (speaker) (CERN)
- Technical details of processing units in the context of hardware acceleration - Flynn's taxonomy of computer architectures and its relation to types of software parallelism - Data-level parallelism as a solution to current bottlenecks in scientific computing - Evaluating the possible speedup hardware can provide - How physical limitations in instruction/memory access affect your code
2024 - 0:56:00. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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2024-04-17
09:01

The perfectly parallel program: Design philosophy for parallel programming (2/2) / Wettersten, Zenny (speaker) (CERN)
- Relating the fundamental restrictions and capabilities of hardware parallelism to software engineering - Defining what makes an algorithm "parallel" or not - Considerations for designing a parallel algorithm with respect to control flow and memory access - Legacy code, and how to go about re-designing existing software for novel hardware
2024 - 0:54:34. Inverted CSC; Inverted CERN School of Computing 2024 External links: Talk details; Event details In : Inverted CERN School of Computing 2024

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