Nani Kore (“What’s This?”) is the name of a Japanese TV show that digs up bizarre things and phenomena observed around the world and explains how they work. In the latest show, they presented a house in central Tokyo that proves solar power can be used in a residential setting without those expensive solar panels and cells.
Just take a set of orbs that look like giant light bulbs, install them on your roof and watch them reflecting the light of the sun into your house. This obviously just works during the day, but if you have buildings around your house that block the sunlight, the orbs might help to light up dark rooms and save electricity costs. And they look kind of cool, too.
Watch this video (clip in Japanese) to see how the roof orbs work:
Via Japan Probe