Автор: Lewis Calvin

This Chinese art history book is a study of a single poet-artist–Wang Wei–perhaps the most influential of antiquity. This eighth-century genius, whose versatility is comparable to that of the …

The Department of Homeland Security’s (DHS) mission includes law enforcement elements, which require the department, through its components, to manage various types of firearms. DHS’s annual …

Acoustic Emission (AE) is a naturally occurring phenomenon whereby external stimuli, such as mechanical loading, generate sources of elastic waves. AE occurs when a small surface displacement of a …