TECHNOLOGY FOCUS - ELECTRONICS - Preferred Photovoltaic Array: The electrical connection is in parallel. The electrical connection is in series. The electrical connection is configured such that certain of the nodes are electrically coupled in series, and certain of the nodes are electrically coupled in parallel, or their combination. The nodes and extendable interconnects are formed from a monolithic substrate. At least some of the nodes are configured to collect photovoltaic energy. At least some of the nodes are comprised of single or multiple p-n junctions. At least some of the nodes are comprised of an electrical switch. At least some of the nodes are comprised of a clover-leaf like shape. The nodes and the extendable interconnects are formed of the same material. The nodes are arranged in a parallel array comprised of 100 or more nodes. A photovoltaic array, the array being affixed to a building surface and further comprises nodes connected by extendable interconnects, the nodes being arranged in a regular, ordered arrangement, and where certain of the extendable interconnects are configured to provide electrical connection between certain of the nodes. At least two of the extendable interconnects are attached to and extending from the node and coiled around at least a portion of the node at a minimum radius of curvature (Rmin). Preferred Micro-Concentrator Solar Cell Assembly: The micro-concentrator solar cell assembly of (1) further comprises lenses, having a respective first lens and second lens coupled to the respective first node and second node. The material is transparent. The transparent material further comprises lenses, and where a respective first lens and second lens of the lenses are aligned relative to the respective first node and second node. The lenses are formed in the transparent material. The transparent material is coupled on a first side of the respective first node and second node, and where a reflective material is coupled to a second side of the respective first node and second node opposite to the first side. Reflectors are formed in the reflective material. The sheet of material is aluminum and the aluminum is affixed by an adhesive to at least the first node and the second node and the extendable interconnect. The photovoltaic nodes and extendable interconnects are monolithic. The micro-concentrator solar cell assembly of (2) further comprises a sheet of material affixed to at least the first node and the second node, where the sheet of material holds the first node and the second node and the extendable interface in an extended position. The sheet of material is configurable to align the first node and the second node with a respective first and second lens of the lenses. The lenses are formed in the sheet of transparent material. The transparent material is coupled on a first side of the respective first node and second node, and where a reflective material is coupled to a second side of the respective first node and second node. The sheet of material is aluminum and the aluminum is affixed by an adhesive to at least the first node and the second node. At least one of the lenses is comprised of a Fresnel lens, an aspheric lens, a convex lens, a parabolic lens, or a concave lens. A least one of the lenses is comprised of a droplet shaped lens. The micro-concentrator solar cell assembly of (3) further comprises a sheet of material affixed to at least the first node and the second node, where the sheet of material holds the first node and the second node and the extendable interface in an extended position. The solar cell assembly further comprises a gap between the lenses and the reflectors. The gap is filled with any one or more of: air, transparent gel, or silicone. Preferred Solar Cell Device: At least two interconnects are attached to the node at positions such that no substantial torque is experienced by the device upon full extension of the extendable interconnects. The node and the at least two interconnects are monolithic and comprised of silicon. The device comprises at least 4 or 6 extendable interconnects. The node is comprised of a clover leaf shape, a rectangular shape, or a hexagonal shape. The node is comprised of a single p-n junction or multiple p-n junctions. The node is configured to collect photovoltaic energy. Preferred Solar Cell Assembly: The solar cell assembly further comprises a sheet of material affixed to at least the first node and the second node, where the sheet of material holds the first node and the second node and the extendable interface in an extended position. The sheet of material is configurable to align the first node and the second node with a reflector and a second reflector of the reflectors. The sheet of material is a transparent material. The sheet of material is a sheet of reflective material. The respective reflector of the reflectors is formed in the sheet of reflective material. The sheet of material is aluminum and the aluminum is affixed by an adhesive to the respective reflector. At least one of the reflectors is comprised of a parabolic reflector, a concave reflector, or an aspheric reflector. At least one of the reflectors is a diffractive lens. At least one of the reflectors is comprised of a zone plate. Preferred Method: The method of stretching nodes to form an array of nodes further comprises applying a lamination sheet to at least a portion of the nodes and the extendable interconnect. The lamination sheet fixes the relative position of the portion of the nodes and to the extendable interconnect. The method further comprises removing the first pin and removing the second pin. The locating step is performed to locate the respective first node and the respective second node on a wafer chuck. The nodes and the extendable interconnect are temporarily held to the wafer chuck by an electrostatic force. In the method of making a photovoltaic node and an extendable interconnect, fabricating the photovoltaic nodes further comprises forming a p-type junction and an n-type junction, and forming contacts coupled to the p-type junction and the n-type junction respectively, for each node of the photovoltaic nodes on the wafer. Performing the anisotropic etch removes portions of the wafer between portions of the coiled interconnect, and where releasing the nodes and interconnect mechanically separates the portions of the coiled interconnect. Preferred Smart Window: The electrical connection is configured such that certain of the nodes are electrically coupled in series, and certain of the nodes are electrically coupled in parallel, or their combination. The nodes and extendable interconnects are formed from a monolithic substrate. At least some of the nodes are configured to collect photovoltaic energy. At least some of the nodes are comprised of single or multiple p-n junctions. At least some of the nodes are comprised of an electrical switch. Preferred System: The instructions to locate further comprise instructions to locate the respective first node and the respective second node on a wafer chuck. One or more programs further comprise instructions to temporarily hold the nodes and the extendable interconnects to the wafer chuck by an electrostatic force.