AUSTRIA SUN REFLECTION MIRRORS – WINTER SUN BOOSTERS
December 1st, 2005
BY KEITH NUTHALLMIRRORS are being posted around the Austrian Alps city of Rattenburg, which is losing population because a nearby steep hillside denies it winter sunlight. This high ground made Rattenburg a safe place in the Middle Ages, but it is now making Rattenberg unpopular, by blocking the sun. Step forward Bartenbach Lichtlabor GmbH, an Austrian company pioneering day-lighting and artificial lighting. It is planning to install heliostats - movable mirrors which track the sun across the sky, constantly reflecting direct sunlight to any location via other ...
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