Solar 'concentrators' focus on efficiency

Practical Instruments is developing a "heliotube" designed to fit into traditional solar panels. The tubes follow the sun during the course of the day and concentrate the sun's light to draw more electricity from the solar cells.

Practical instruments

By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...