The development of novel thermal sources that control the emission spectrum and the angular emission pattern is of fundamental importance. In this paper, we investigate the thermal emission properties of semiconductor hyperbolic metamaterials (SHMs). Our structure does not require the use of any periodic corrugation to provide monochromatic and directional emission properties. We show that thes...

Many observational datasets of emissions, including emissions from the oil and gas sector, follow heavy-tailed distributions, for which a small fraction of the measured emitters are much larger than more typical emitters, and account for a large fraction of the total measured emission. Such distributions are problematic, because they are expected to exhibit large, negatively biased sampling err...

Editor – Inequalities in health between and within populations are a major public concern (1). Hepatitis A incidence among Native Americans is the highest of any subpopulation in the USA, similar to that in developing countries (2). Outbreaks on the Hoopa Valley Reservation, California, reinforce the cyclical trend of community infection. During the last outbreak in 1993-95, over 10% of the com...

The number of camping cars is increasing owing to the trend “untact” healing brought about by prolonged COVID-19 pandemic and spread culture. With an increase in cars, car fires are concurrently on rise. This study analyzes fire statistics, cases, regulatory status related cars. As a preventive measure, proposes establish safety standards, install facilities, strengthen management measures that...

Just because you pitch a tent doesn't mean you're ready to go camping. In other words, yes ? men can have erections without feeling sexually excited or horny. These erections, aka spontaneous erections, are perfectly normal and common, popping up when guys are eating dinner, are called on in class, riding a bike, watching a movie, reading, sleeping, talking with grandma, or doing just about any...

A 32-year-old man was attacked by flies while camping around Khorram Abad, Lorestan Province, western Iran. Pruritic dermatitis with marked edema and considerable discomfort appeared mainly on the lower legs. The flies were identified as Simulium. Simuliids are tiny bloodsucking flies, popularly known as blackflies or buffalo flies, belonging to the dipterous, family Simulidae. They are occurre...

lack of sewage collection systems, percolation of surface waters, and seepage of wells have raised the groundwater table in shiraz area in the south of iran. the growing population generates environmental pollution resulting in the degradation of the quality of surface and groundwaters used for agriculture. inorganic and organic pollutants have been traced in shiraz water resources. heavy metal...