A Solar Spark Lighter or Sunlighter is a pocket-sized stainless steel
parabolic mirror, shaped to concentrate sunlight on a small prong holding combustible material at the focal point. A revival of an old gadget marketed as a
cigarette lighter by
RadioShack
RadioShack, formerly RadioShack Corporation, is an American retailer founded in 1921.
At its peak in 1999, RadioShack operated over 8,000 worldwide stores named RadioShack or Tandy Electronics in the United States, Mexico, United Kingdom, Austra ...
in the 1980s, it is a useful hiking and camping accessory as its functioning is not affected by having been soaked by rain or falling in rivers or the sea. To operate it clearly needs sunlight and a small piece of flammable material. Once a glowing spark has been achieved, careful blowing will produce a blaze. Its simplicity, small size and light weight make it a useful item in a
survival kit.
Enviro Gadget
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See also
* Concentrated solar power
Concentrated solar power (CSP, also known as concentrating solar power, concentrated solar thermal) systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight into a receiver. Electricity is generated when ...
References
Firelighting
Camping equipment
Survival equipment
Solar power
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