Abstract Supermassive black hole binaries are likely to accrete interstellar gas through a circumbinary disk. Shortly before merger, the inner portions of this disk subject general relativistic effects. To study regime, we approximate spacetime metric close orbiting holes by superimposing two boosted Kerr–Schild terms. After demonstrating quality approximation, carry out very long-term magnetoh...

We study the energetics of a black hole-accretion disk system with magnetic connection: a Keplerian disk is connected to a Kerr black hole by a large-scale magnetic field going through the transition region. We assume that the magnetic field is locked to the inner boundary of the disk and corotates with the inner boundary, the accretion rate is low but the accretion from the disk can still prov...

Droplet impact on a spinning surface has been observed in different industries and plays an important role the performance of industrial systems. In current study, dynamics water droplet hydrophilic disk is investigated. An experimental setup designed way that diameter, velocity, rotational speed, location are precisely controlled. While diameter fixed present other mentioned parameters changed...

The combination of genetically encoded fluorescent proteins and three-dimensional imaging enables cell-type-specific studies of embryogenesis. Light sheet microscopy, in which fluorescence excitation is provided by a plane of laser light, is an appealing approach to live imaging due to its high speed and efficient use of photons. While the advantages of rapid imaging are apparent from recent wo...

We demonstrate how a conventional confocal spinning-disk (CSD) microscope can be converted into a doubly resolving image scanning microscopy (ISM) system without changing any part of its optical or mechanical elements. Making use of the intrinsic properties of a CSD microscope, we illuminate stroboscopically, generating an array of excitation foci that are moved across the sample by varying the...

The structure of spinning particle suggested by the rotating KerrNewman ( black hole ) solution, super-Kerr-Newman solution and the Kerr-Sen solution to low energy string theory is considered. Main peculiarities of the Kerr spinning particle are discussed: a vortex of twisting principal null congruence, singular ring and the Kerr source representing a rotating relativistic disk of the Compton s...