The Bulletin of the Polish Academy of Sciences: Technical Sciences (Bull.Pol. Ac.: Tech.) is published bimonthly by the Division IV Engineering Sciences of the Polish Academy of Sciences, since the beginning of the existence of the PAS in 1952. The journal is peer‐reviewed and is published both in printed and electronic form. It is established for the publication of original high quality papers from multidisciplinary Engineering sciences with the following topics preferred: Artificial and Computational Intelligence, Biomedical Engineering and Biotechnology, Civil Engineering, Control, Informatics and Robotics, Electronics, Telecommunication and Optoelectronics, Mechanical and Aeronautical Engineering, Thermodynamics, Material Science and Nanotechnology, Power Systems and Power Electronics.

Journal Metrics: JCR Impact Factor 2018: 1.361, 5 Year Impact Factor: 1.323, SCImago Journal Rank (SJR) 2017: 0.319, Source Normalized Impact per Paper (SNIP) 2017: 1.005, CiteScore 2017: 1.27, The Polish Ministry of Science and Higher Education 2017: 25 points.

Abbreviations/Acronym: Journal citation: Bull. Pol. Ac.: Tech., ISO: Bull. Pol. Acad. Sci.-Tech. Sci., JCR Abbrev: B POL ACAD SCI-TECH Acronym in the Editorial System: BPASTS.

Astronomers are charting out a radio map of the sky, showing hundreds of thousands of previously unknown galaxies.

A small team working in the depths of a primeval forest studies the past and present challenges faced by nature, striving to ensure a better future.

Some long forgotten. Others precariously preserved on traditional wax cylinders, vinyls, and tapes. Still others hard to even identify. Here, priceless old works of music regain something they lost long ago: having someone find a moment to given them a listen.

The Bulletin of the Polish Academy of Sciences: Technical Sciences (Bull.Pol. Ac.: Tech.) is published bimonthly by the Division IV Engineering Sciences of the Polish Academy of Sciences, since the beginning of the existence of the PAS in 1952. The journal is peer‐reviewed and is published both in printed and electronic form. It is established for the publication of original high quality papers from multidisciplinary Engineering sciences with the following topics preferred: Artificial and Computational Intelligence, Biomedical Engineering and Biotechnology, Civil Engineering, Control, Informatics and Robotics, Electronics, Telecommunication and Optoelectronics, Mechanical and Aeronautical Engineering, Thermodynamics, Material Science and Nanotechnology, Power Systems and Power Electronics.

Journal Metrics: JCR Impact Factor 2018: 1.361, 5 Year Impact Factor: 1.323, SCImago Journal Rank (SJR) 2017: 0.319, Source Normalized Impact per Paper (SNIP) 2017: 1.005, CiteScore 2017: 1.27, The Polish Ministry of Science and Higher Education 2017: 25 points.

Abbreviations/Acronym: Journal citation: Bull. Pol. Ac.: Tech., ISO: Bull. Pol. Acad. Sci.-Tech. Sci., JCR Abbrev: B POL ACAD SCI-TECH Acronym in the Editorial System: BPASTS.

The Vistula’s riverbed is a treasure-trove of relics concealed by continually shifting sands and by the turbid river water. So what lies down there, hidden in the Vistula’s depths?

To find out what affected sea level fluctuations in the past, researchers have to turn to the mountains. In ancient geological epochs, today’s Alps and Tatras were actually once on the ocean floor.

The Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, one of the most robust centers for research on food and its improved quality. This year, the Olsztyn-based Institute celebrates the 30th anniversary of its establishment.

All of her energy (of which she has a never-ending supply), a great deal of time (always in short supply), and so much love for science that more would be simply impossible – all this is what Magdalena Osial from the University of Warsaw’s Faculty of Chemistry offers children.

Every day they stroke the sand to hear the stories of the Chodelka River Valley. And the stories are plentiful.

To learn about fish of the Oligocene period, one must first travel to the Carpathian Mountains and slowly smash rocks.

The “Oceania” never sleeps. Her crew work 24 hours per day, and after they disembark they will remember their time aboard for years to come – perhaps forever.