Burning glass extremely high temperatures without the need for fuel or large supplies of electricity. They sometimes employ a large parabolic array of mirrors (some facilities are several stories high) to focus light to a high intensity. The Olympic torch that is carried around the host country of the Olympic Games is lit by a burning glass, at the site of ancient Olympia in Greece. Burning glass A burning glass or burning lens is a large convex lens that can concentrate the sun's rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface. Burning
Torch regenerative power of flame. The torch is also a symbol used by political parties, for instance by both Labour (from 1918 to 1980) and the Conservatives (from 1983 to 2006) in the UK, and the Malta Labour Party. In the seals of schools in the Philippines, the torch symbolizes the vision of education to provide enlightenment to all the students. A torch carried in relay by runners is used to light the Olympic flame which burns without interruption until the end of the Games. These torches and the relay tradition were introduced in the 1936 Summer Olympics by Carl Diem,