solar towers offer up to 20 times more power output than traditional flat solar panels. Two small-scale versions of three-dimensional photovoltaic arrays that were tested by MIT researchers (Photo: Allegra Boverman) .
Brick pavers make a simple, handsome border and work well as edging material. They're ideal for a wide border that keeps grass out of the garden, yet allows flowers etc. to spill over without intruding onto the grass.
Post LampsPatinated-metal carriage lights cap the posts at the foot of the steps leading to the brick patio, providing both an attractive accent and welcome nighttime illumination. Wiring runs from the house, under the deck, and up the hollow posts.