Cases of suicide by use of elaborate and complex devices are rare in the literature and popular media, despite the media attention such cases attract. These suicide cases have employed guillotines, contraptions involving guns and self-made firearms, and devices capable of delivering asphyxiating gases such as carbon monoxide. All previously reported cases of suicide by guillotine have been by d...

We study inelastic gases in two dimensions using event-driven molecular dynamics simulations. Our focus is the nature of the stationary state attained by rare injection of large amounts of energy to balance the dissipation due to collisions. We find that under such extreme driving, with the injection rate much smaller than the collision rate, the velocity distribution has a power-law high energ...

2014 Total cross-sections for the collisional depopulation of the 10 P level of Potassium by Potassium and rare gases have been measured, with the following results : Q (K) = 6 000 ± 3 000 Å2; Q (He) = 18 ± 6 Å2 ; Q (Ar) = 8 ± 3 Å2 ; and Q (Xe) = 40 ± 15 Å2. The importance of the electronic excitation transfer to neighbouring levels is clearly demonstrated as well as the influence of the quasi-...

Exceptional behavior of light-matter interaction in the extreme ultraviolet is demonstrated. The photoionization of different rare gases was compared at the free-electron laser in Hamburg, FLASH, by applying ion spectroscopy at the wavelength of 13.7 nm and irradiance levels of thousands of terawatts per square centimeter. In the case of xenon, the degree of nonlinear photoionization was found ...

We present a new method to analyze molecular and Brownian dynamics simulations of activated processes based on the concept of mean first-passage times. The new method provides a simple and efficient strategy to evaluate reaction rates and it facilitates the localization of the transition state directly from the kinetics of the system without the need of thermodynamical considerations. It also p...

This is a case description of a female patient, 77 years-old, who presented with progressive dyspnea and cough. She had a mild hypoxemia in the arterial blood gases (PaO2 72 mmHg) and normal spirometry. The chest computer tomography revealed diffuse "ground glass" opacities, segmental alveolitis, bronchiectasis, fibrotic lesions and numerous micronodules. A thoracoscopy was performed and the ob...

This paper reviews the experimental activities since 1979 for the study of the spin polarization of photoelectrons emitted by atoms and molecules exposed to VUV radiation. Two series of studies have been performed: First, using unpolarized and linearly polarized radiation the photoionization of the rare gases Ar, Kr, and Xe has been studied in an angle-, energy-, and spin-resolved photoemission...

Introduction Hyperpolarized (HP) gas MRI in small animals is challenging and generally requires a dedicated ventilator system. Moreover, the use of expensive rare isotopes such as He and Xe make it desirable to minimize cost by recycling these gases after they have been used for imaging. We present a constantvolume ventilator that offers precise control of gas delivery, permits highresolution i...