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
2002 Winter Olympics torch relay happening during the ceremony. The weekend prior to the lighting ceremony, the flame held in the clay urn had been lit using the parabolic mirror and the sun's rays in case of this situation. Following the ceremony, a two-day Greek torch relay carried the flame to the Panathenian stadium in Athens, Greece, where it burned in a cauldron for two weeks. On December 3, 2001, a Greek skier, Thanassis Tsailas, lit a 2002 Olympic torch from a flame in the cauldron, which in turn was used to light a ceremonial lantern. This lantern was then flown aboard the "Soaring Spirit"