Lowtech Graph
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Light
Daylighting
Solutions
Daylight-factor window sizing and placement
: Windows sized and positioned by daylight calculation rather than habit, reducing reliance on artificial light.
Motorized heliostat mirror (north-facing daylighting)
: A sun-tracking, two-axis motorized mirror redirects daylight (and a modest amount of heat) into a north-facing window that would otherwise receive none, claimed