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
Olympic flame who lit the cauldron in the stadium are not famous, but nevertheless symbolize Olympic ideals. Japanese runner Yoshinori Sakai was born in Hiroshima on 6 August 1945, the day the nuclear weapon Little Boy destroyed that city. He symbolized the rebirth of Japan after the Second World War when he opened the 1964 Tokyo Games. At the 1976 Games in Montreal, two teenagers — one from the French-speaking part of the country, one from the English-speaking part — symbolized the unity of Canada. At the 2012 Games in London, the torch was carried by Sir Steve Redgrave to a group