Coat of arms of Cyprus Coat of arms of Cyprus The coat of arms of the Republic of Cyprus depicts a dove carrying an olive branch (a well-known symbol of peace) over “1960”, the year of Cypriot independence from British rule. The background is a copper-yellow colour; this symbolises the large deposits of copper ore on Cyprus (chiefly in the form of chalcopyrite, which is yellow in colour). The arms is not violating the rule of tincture, since the dove is not argent (silver) but blazoned as of the colour proper, i.e. it has the colour it would have in nature, in this case white.
Metal detector in the chest of American President James Garfield in 1881; the metal detector worked correctly but the attempt was unsuccessful because the metal coil spring bed Garfield was lying on confused the detector. The modern development of the metal detector began in the 1920s. Gerhard Fischer had developed a system of radio direction-finding, which was to be used for accurate navigation. The system worked extremely well, but Fischer noticed there were anomalies in areas where the terrain contained ore-bearing rocks. He reasoned that if a radio beam could be distorted by metal, then it should be possible to design a