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
2000 Summer Olympics torch relay students. 2000 Summer Olympics torch relay The 2000 Summer Olympics torch relay was the transferral of the Olympic Flame to Sydney, Australia that built up to the 2000 Summer Olympics. The torch travelled to various island nations as part of a tour of Oceania before beginning an extensive journey around Australia. For the first time the Flame was taken underwater, with a special flare-like torch taken on a dive down to the Great Barrier Reef. At the opening ceremony the cauldron was lit by Aboriginal athlete Cathy Freeman. A History of the Olympic Torch Relay has been written by Janet