We’ve mentioned solar-tracking but the systems are usually pictured on a pole in a big grassy yard.  This is a Dual-Panel Tracker by Maryland-based Advanced Technology & Research Corp. (ATR) on the roof of a row house in Federal Hill in Baltimore.  The install consists of two panels, 235-watts each, on a sun tracking mount with a GPS-controlled drive unit that follows the sun to yield about 30% more than fixed panels.
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A while back, I mentioned The Crib, an “enviresponsible shelter” by Broadhurst Architects that can be used as a weekend cabin, backyard office, exercise studio, or guest house — you name it. Well it’s time for a short update from our last article, if you haven’t already noticed, that a 250 square-foot Crib was built on the grounds of the Strathmore in Bethesda, Maryland. It’s being used as a visual arts studio, a lab, and a gallery and is open to visitors during certain events and various other times.
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