Deutsche Ausgabe: In dieser Folge machen wir uns auf die Suche nach dunkler Materie - mit dem ALPS II Experiment am Deutschen Elektron Synchroton in Hamburg. Mit meinen Gästen Axel Lindner und Sven Karstensen tauchen wir in die Welt der Axionen, mysteriöse Teilchen, und wie man sie aufspüren kann. Daneben gibt es, wie immer in der Teilchenphysik, spannende Fragen zu Software und Datenaufarbeitung. Viel Spaß beim Zuhören.

Links:

• https://alps.desy.de/ Die Home Page des ALPS Projekts
• https://www.desy.de/research/facilities__projects/alps_ii/index_eng.html
  • https://alps.desy.de/our_group/ Die ALPS II Kollaboration
• https://darkmatter-alps.desy.de/dark-matter.html
• https://en.wikipedia.org/wiki/Axion

Get in touch

Thank you for listening! Merci de votre écoute! Vielen Dank für´s Zuhören!

Contact Details/ Coordonnées / Kontakt:

• Email mailto:peter@code4thought.org
• UK RSE Slack (ukrse.slack.com): @code4thought or @piddie
• Bluesky: https://bsky.app/profile/code4thought.bsky.social
• LinkedIn: https://www.linkedin.com/in/pweschmidt/ (personal Profile)
  • LinkedIn: https://www.linkedin.com/company/codeforthought/ (Code for Thought Profile)

This podcast is licensed under the Creative Commons Licence: https://creativecommons.org/licenses/by-sa/4.0/

English Edition: how are real numbers e.g. 0.1 represented on computers? What can go wrong with using their representation in calculations? And does it matter? These and other questions are the subject of this ByteSized episode with my guests Prof. Ulrich Ruede (University of Erlangen-Nuernberg), Andreas Herten and Edoardo di Napoli (both Research Centre Juelich).

Links:

• https://www.h-schmidt.net/FloatConverter/IEEE754.html an online tool to convert numbers into their bit/hex equivalent - also showing the rounding errors
• https://dl.acm.org/doi/10.1145/103162.103163 Goldberg Paper: What every computer scientist should know about floating points
• https://arxiv.org/abs/2012.02492 revisiting Goldberg, Vincent Lafage
• https://en.wikipedia.org/wiki/IEEE_754 the Wiki entry on the IEEE 754 standard for floating points (the standard itself is not accessible for free)
• https://en.wikipedia.org/wiki/Unit_in_the_last_place definition von "ulp"
• https://developer.nvidia.com/blog/floating-point-8-an-introduction-to-efficient-lower-precision-ai-training/ NVidia’s take on lower precision numbers
• https://indico.esa.int/event/445/contributions/8473/attachments/5559/9378/gernigon_cedric_EDHPC2023.pdf list of lower precision formats
• https://en.wikipedia.org/wiki/Chinese_remainder_theorem Chinese remainder theorem

I would like to thank the STEP-UP project in the UK for supporting this series of ByteSized episodes.

Get in touch

Thank you for listening! Merci de votre écoute! Vielen Dank für´s Zuhören!

Contact Details/ Coordonnées / Kontakt:

• Email mailto:peter@code4thought.org
• UK RSE Slack (ukrse.slack.com): @code4thought or @piddie
• Bluesky: https://bsky.app/profile/code4thought.bsky.social
• LinkedIn: https://www.linkedin.com/in/pweschmidt/ (personal Profile)
  • LinkedIn: https://www.linkedin.com/company/codeforthought/ (Code for Thought Profile)

This podcast is licensed under the Creative Commons Licence: https://creativecommons.org/licenses/by-sa/4.0/

English Edition: for this episode we're going "up North", to visit the Research Software Engineering team of the University of Newcastle. The team has been hosting the UK RSE Conference in 2022 and 2024 and here is a chance to meet at least some of the people behind it all.

Links:

• https://rse.ncldata.dev/ Team homepage
  • https://rse.ncldata.dev/team
• https://www.litandphil.org.uk/ oh and the great "Lit and Phil" library in Newcastle for good measure

Get in touch

Thank you for listening! Merci de votre écoute! Vielen Dank für´s Zuhören!

Contact Details/ Coordonnées / Kontakt:

• Email mailto:peter@code4thought.org
• UK RSE Slack (ukrse.slack.com): @code4thought or @piddie
• Bluesky: https://bsky.app/profile/code4thought.bsky.social
• LinkedIn: https://www.linkedin.com/in/pweschmidt/ (personal Profile)
  • LinkedIn: https://www.linkedin.com/company/codeforthought/ (Code for Thought Profile)

This podcast is licensed under the Creative Commons Licence: https://creativecommons.org/licenses/by-sa/4.0/