Modern architecture in its golden age has given a lot of influences to many architectures around the world. The spread of modern architecture at that time could not be stopped and became a style that is widely used throughout the world including IndonesiaThe influence o...

Astrolabe is a classical instrument in astronomy that is often used to determine the position of celestial bodies without calculating. The notables who played role in the formulation of the astrolabe concept and work system were Hipparchus, Claudius Ptolemy and Theon. M...