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
1984 Summer Olympics torch relay Thorpe, and Gina Hemphill, granddaughter of Jesse Owens, being given the honor of becoming the first torchbearers. The relay featured 3,636 torchbearers and spanned a distance of around , at the time the longest distance of any Olympic relay. Rafer Johnson, an Olympic decathlon gold medalist, was the final torchbearer. 1984 Summer Olympics torch relay The 1984 Summer Olympics torch relay was run from May 8 until July 28, prior to the 1984 Summer Olympics in Los Angeles. The route covered around across the United States and involved over 3,600 torchbearers. Rafer Johnson lit the cauldron at the opening ceremony.