This image was lost some time after publication, but you can still view it here.

Sharp has unveiled a new street lamp in Japan called the "Lumiwall" that uses solar power and LED arrays to remain entirely off of the electrical grid. Although each unit costs in the neighborhood of $4,500, the idea is that the initial cost outlay will be offset by the power savings and lessened environmental impact.

Read - Lumiwall [Akiba.SorobanGeeks]