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
Tiki torch Tiki torch A tiki torch is a bamboo torch that originated in Tiki culture, but increased in popularity and spread to other places where it is a popular party decoration and can create a tropical island aesthetic to outdoor decorations. The common style is to have a bamboo stick with a container of flammable fluid at the top, and then a lit wick drawing from that container. The popularity in America rose in the 1930s and further increased in the following decades. The TIKI brand of torches, common in the US, was launched in the 1950s; since 2001, they are