This year, together with htw Saar, we had the honour of serving as a hosting institution for the br41n.io hackathon 2025, which forms an integral part of the g.tec spring school. Over the course of 24 hours, four teams developed brain–computer-interface (BCI) projects. Altogether, 95 teams from 80 countries competed, underscoring the truly global scope of this event.
The projects ranged from generating music in response to EEG-derived emotional states, to controlling video games through ear-muscle signals, to enabling a collaborative robot to adjust its behaviour based on the user’s stress levels. Each concept demonstrated remarkable technical sophistication and a forward-looking spirit.
We are particularly proud that one of our teams secured second place in the “BCI Programming & Arts Projects” category—congratulations to the team for this outstanding achievement. A brief report on the Hackathon also aired on local television; you can view it here: https://www.sr.de/sr/mediathek/video/FS_AB_11446.html