The data discovered might lead the way for supersonic commercial flights without sonic booms, the company said in the news ...

This brand-new eBook offers a comprehensive overview of municipal wastewater treatment and gives you the tools you need to ...

Fluorescent lamp, also known as fluorescent lamp. The traditional fluorescent lamp, i.e. low-pressure mercury lamp, uses the principle that low-pressure mercury vapor releases ultraviolet rays after ...

But the fence couldn’t stay. “People at the graveyard told me I had to pick it up,” he says. Sitting on his porch afterward, Evans stared at the mercury-vapor lamp of the streetlight. It reminded him ...