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
1996 Summer Olympics torch relay towards the northern end of the stadium. The identity of the final torchbearer had been kept secret and was only revealed when Muhammad Ali appeared at the top of the ramp. Ali, who had won gold at the 1960 Games in Rome and later developed Parkinson's disease, lit a mechanical torch which then travelled along a wire, lighting the cauldron at the top of a tower. His appearance has been referred to as being one of the most inspiring, poignant, and emotional moments in Olympic history. 1996 Summer Olympics torch relay The 1996 Summer Olympics torch relay was run from