Related DatabasesWeb of Science You must be logged in with an active subscription to view this.Article DataHistorySubmitted: 27 April 2020Accepted: 10 November 2020Published online: 26 January 2021Keywordscontinuation methods, double Hopf bifurcation, thermal convection, rotating fluids, stability analysisAMS Subject Headings34C23, 34C25, 76D05, 76E06, 76E20Publication DataISSN (online): 1536-0...

Weakly conducting dielectric particles suspended in a dielectric liquid of higher conductivity can undergo a transition to spontaneous sustained rotation when placed in a sufficiently strong dc electric field. This phenomenon of Quincke rotation has interesting implications for the rheology of these suspensions, whose effective viscosity can be controlled and reduced by application of an extern...

Recent observations of PSR J0045-7319, a radio pulsar in a close eccentric orbit with a massive B-star companion, indicate that the system's orbital period is decreasing on a timescale of ≈ 5 × 10 5 years, which is much shorter than the timescale of ≈ 10 9 years given by the standard theory of tidal dissipation in radiative stars. Observations also provide strong evidence that the B-star is rot...

Predicting how a young planet shapes the gas and dust emission of its parent disc is key to constraining presence unseen planets in protoplanetary observations. We investigate case 2 Jupiter mass that becomes eccentric after migrating into low-density cavity disc. Two-dimensional hydrodynamical simulations are performed post-processed by three-dimensional radiative transfer calculations. In our...

Recent observations of PSR J0045-7319, a radio pulsar in a close eccentric orbit with a massive B-star companion, indicate that the system's orbital period is decreasing on a timescale of 5 10 years, which is much shorter than the timescale of 10 years given by the standard theory of tidal dissipation in radiative stars. Observations also provide strong evidence that the B-star is rotating rapi...

Ink jet printed carbon nanotube forest arrays capable of detecting picomolar concentrations of immunoglobulin G (IgG) using electrochemiluminescence (ECL) are described. Patterned arrays of vertically aligned single walled carbon nanotube (SWCNT) forests were printed on indium tin oxide (ITO) electrodes. Capture anti-IgG antibodies were then coupled through peptide bond formation to acidic func...

We describe a system for measuring the angle of eye gaze error on people with a squint. The program to analyse an eye image models each eye simply as a circular iris within a sphere rotating about its centre. A combination of edge detection, image transformation and template matching are then used to best fit the model to the image of the eye. The algorithm behaves correctly on 95% of eye image...

When shaken vertically, a hanging chain displays a startling variety of distinct behaviors. We find experimentally that instabilities occur in tonguelike bands of parameter space, to swinging or rotating pendular motion, or to chaotic states. Mathematically, the dynamics are described by a nonlinear wave equation. A linear stability analysis predicts instabilities within the well-known resonanc...

  Background: The aim of this study was to investigate muscle damage indicators and electromyography activities of quadriceps muscles at 25° of hip flexion in untrained healthy females after an eccentric exercise induced muscle fiber damage.   Methods : A total of 14 healthy females participated in this pre-experimental study. The subjects performed maximal eccentric quadriceps contractions at ...