The effect of contact force (CF) on lesion formation is not clear during pulsed field ablation (PFA). The aim of this study was to evaluate the impact of CF, PFA, and their interplay through the PFA ...

Berlin, 10 February 2026 – Corruption is worsening globally, with even established democracies experiencing rising corruption amid a decline in leadership, according to Transparency International’s ...

We consider the problem of source number detection and direction-of-arrival (DOA) estimation, based on uniform linear arrays (ULAs) and the newly proposed nested arrays. A ULA with N sensors can ...

EIU grades 167 countries out of ten according to the state of their democracy, and sorts them into four camps: full and flawed democracies, and hybrid and authoritarian regimes. By that measure, ...