It is one of the oldest and broadest of the engineering disciplines. The mechanical engineering field requires an understanding of core areas including mechanics, kinematics, thermodynamics, materials science, structural analysis, and electricity.
Dura mater. Dura mater (UK /ËdjÊÉrÉ ËmeÉªtÉr/ or US /ËdÊÉrÉ ËmÃ¦tr/), or dura, is a thick membrane that is the outermost of the three layers of the meninges that surround the brain and spinal cord. It is derived from mesoderm. The other two meningeal layers are the arachnoid mater and the pia mater.
A view of the southern wadi and part of the walls of the city of Dura Europos. Dura-Europos (Greek: Î´Î¿á¿¦ÏÎ± Îµá½ÏÏÏÏÏ), also spelled Dura-Europus, was a Hellenistic, Parthian and Roman border city built on an escarpment 90 metres (300 feet) above the right bank of the Euphrates river. It is located near the village of SalhiyÃ©, in today's Syria.