General Dynamics Corporation operates as an aerospace and defense company worldwide. It operates through four segments: Aerospace, Marine Systems, Combat Systems, and Technologies. The Aerospace ...

The Maya civilization flourished in South America at approximately 2000BC. They developed a unique style of arts and architecture, astronomy, even a written language. Though their writing—and even the ...

Atmospheric dynamics encompasses all physical processes within atmospheres, including global and regional-scale circulation, convection, tropical and extratropical cyclones, and interannual ...

Music has held a special role in human society for thousands of years. In ancient China, for instance, sets of bronze bells were played for entertainment and ritual purposes at court. The ...