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 Freeman was the first competing athlete to light the Olympic cauldron. Two elements from the torch concept, fire and water, were replicated in the design of the cauldron. Freeman stood atop a pool of water and lit a flame that surrounded her. Though a computer glitch delayed proceedings for a few minutes the Flame then lifted around Freeman. The ten-year anniversary of the Games was celebrated in a special ceremony in 2010. Cathy Freeman and Paralympic champion Louise Sauvage (who was the final torchbearer at the Paralympic Games) lit the cauldron during an event attended by numerous athletes and school