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
2004 Summer Olympics torch relay 2004 Summer Olympics torch relay The 2004 Summer Olympics Torch Relay took the Olympic Flame across every habitable continent, returning to Athens, Greece. Every city which had hosted the Summer Olympics was revisited by the torch, as well as several other cities chosen for their international importance. The main reason why the torch relay went around the world was to highlight the fact that the Olympic Games were started in Greece (in ancient times) and in modern times have been held around the world and then took place in Greece in 2004. The relay was the first time the Olympic