Context. We present a detailed study of the single radio pulses of PSR B0656+14, a pulsar also known to be a strong pulsed source of high-energy emission. Aims. Despite the extensive studies at high-energy wavelengths, there is little or no published work on its single-pulse behaviour in the radio band. In this report we rectify this omission. Methods. Radio observations using the Westerbork Sy...

The aim of the present paper has been to explore the medieval evidence on miraculous healings of paralysis and to confront it with modern medical knowledge. Paralysis has been selected as a model for such a study and St. Bernardino of Siena (1380-1444) as a model of a saintly healer. Analyzed were the primary sources and modern literature. Paralysis was found to be among the most frequent disea...

The microwave spectrum of y-thiobutyrolactone has been reinvestigated using microwave Fourier transform spectroscopy. The /ic rotation inversion transitions have been found to be splitted for the first excited state of the vibration at ~ 250 c m 1 . An inversion splitting of 0.014 MHz has been measured directly from these transitions. These splittings indicate that the vibration is related to a...

We present an anisotropic optical feedback technique for controlling light polarisation. The technique is based on the principle that the effective gain of a light mode is modulated by the magnitude of the anisotropic feedback. A new physical model that integrates Lamb's semi-classical theory and a model of the equivalent cavity of a Fabry-Perot interferometer is developed to reveal the physica...

Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 2 observations of CO(2–1) emission from the circumnuclear disks in two early-type galaxies, NGC 1380 and 6861. The disk each galaxy is highly inclined ( i ∼ 75°), projected velocities molecular gas near centers are ∼300 km s −1 ∼500 fit thin dynamical models to ALMA data cubes constrain masses central black holes (BHs...

A broadband superluminescent III-V-on-silicon light-emitting diode (LED) was realized. To achieve the large bandwidth, quantum well intermixing and multiple die bonding of InP on a silicon photonic waveguide circuit were combined for the first time, to the best of our knowledge. The device consists of four sections with different bandgaps, centered around 1300, 1380, 1460, and 1540 nm. The fabr...

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