Mechanical engineering is an engineering discipline that combines engineering physics and mathematics principles with materials science to design, analyze, manufacture, and maintain mechanical systems. ... It is the branch of engineering that involves the design, production, and operation of machinery.
No one seemed to notice that almost exactly 30 years after the Berlin
Wall fell, a new wall — a digital Berlin Wall — had begun to be erected
between China and America. And the only thing left to be determined, a
Chinese business executive remarked, “is how high this wall will be,”
and which countries will choose to be on which side.