The tughra is a written sign and emblem used to represent Turkish rulers, from the Oghuz Khans to the Ottoman Sultans. The term, which appears in Middle Turkic as “tugrag” with the meaning “seal and ...

Researchers from the Department of Physical Chemistry at the Fritz Haber Institute and Freie Universität Berlin have revealed ...

Materials called relaxor ferroelectrics have been used for decades in technologies like ultrasounds, microphones, and sonar ...

Discover the current rate method for foreign currency translation, where financial statements use the current exchange rate ...