On February 15-17, Deep Science Hackathon 2019 took place. It was 2nd of such kind in Latvia organized by Institute of Solid State Physics, University of Latvia (ISSP UL). Hackathon brought together international participation of more than 60 people. All 7 teams that reached final presented interesting ideas and science based technology projects. Teams got the support for further ideas development from sponsors – Institute of Solid State Physics, University of Latvia, Latvian Space Industry Association, Social Business Accelerator “New Door” and Commercialization Reactor.