Luxembourg is a land of science

Artificial intelligence, biomedical and materials sciences, mathematics... The science community in Luxembourg is constantly bubbling up with new ideas! But who really knows what scientists are searching for, what their daily lives look like and where to find them?
Twenty-two PhD candidates of the University of Luxembourg have joined forces to help future generations picture the opportunities brought by science.
These students from the Doctoral School in Science and Engineering (DSSE) are going beyond their daily research tasks by learning to communicate on difficult topics. They’re sharing their enthusiasm by helping script the following seven illustrated tales. We hope these seven ”reflections of science” will help ensure a bright future for science in Luxembourg!

Here is the first of seven comics entitled:

The maths behind postal deliveries

About the authors:

"We are Jim Barthel, Luca Notarnicola and Pietro Sgobba. We graduated in Mathematics and are now doing our PhD in the fields of computer science, cryptography and number theory, respectively. Aside doing
research, we take part in outreach activities. Showing to the general public the problem-solving nature of Mathematics is an important goal for us. We believe that this comic is an innovative way to reach future mathematicians."

Illustrator: Manuel Lieffroy

Here you can download the PDF file of this comic.

You can download all seven comics on:

This project was realized with the help of: 

  • Serge Haan, Dov Gabbay, Leon van der Torre, Antonella Perucca, Nicole Paschek and Hugo Parlier (University of Luxembourg)
  • Nathalie Valle & Patrick Choquet (Luxembourg Institute of Science and Technology)
  • Francisco Azuaje (Luxembourg Institute of Health)


  • All the members of the groups listed above
  • Bruno Teheux and Oliver Glassl (University of Luxembourg)
  • Charles Leveugle (Agence 9 - Une bulle en plus)

Drawings and design: 

  • Agence 9 - Une bulle en plus -


Author: Bruno Teheux (Université du Luxembourg)
Edition: Michelle Schaltz (FNR)


What is DESCOM?

DESCOM (Doctoral Education in Science Communication) is a FNR-funded science communication project that aims at supporting interactions between academia and the public. For this purpose, a team of dedicated people within DESCOM not only promotes and organises outreach activities, like the science comics above. DESCOM also provides formal science communication training for doctoral candidates of Luxembourg in the form of a science communication course as well as science communication internships at one of the several partners of DESCOM (source:

For more information, please visit

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