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Abstract

Atomic clocks can presently measure time with an accuracy down to 10-10 second per day. However, there are certain stars that can easily match them as excellent timekeepers ...
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Michał Bejger
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Abstract

Zegary atomowe mierzą dziś czas z dokładnością sięgającą 10-10 sekundy na dzień. Są jednak gwiazdy, które z łatwością im dorównują...
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Authors and Affiliations

Michał Bejger
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Abstract

No one could have expected that on the first day that LIGO detectors were running, scientists would register signals of gravitational waves. We discuss the watershed discovery confirming the general theory of relativity with Dr. Andrzej Królak from the PAS Institute of Mathematics and Dr. Michał Bejger from the PAS Nicolaus Copernicus Astronomical Centre, both members of the Virgo-POLGRAW group.

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Authors and Affiliations

Andrzej Królak
Michał Bejger
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Abstract

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.

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Authors and Affiliations

Andrzej Królak
Michał Bejger

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