Turns out pink isn't just the color of geeksugar, Hello Kitty and bright youth friendly gadgets anymore. According to Engadget, the ongoing effort to build a less expensive solar cell continues to produce results, as researchers at Ohio State have come up with a nanotech solar cell with an unusual pink color that they say will one day be able to produce as much power as traditional silicon cells for a quarter of the cost. The dye-sensitive solar cells get their pink color from a mixture of ruthenium and either titanium or zinc oxide particles that absorb sunlight, while nanowires link the particles to provide power transfer. Yeah, I know, that's a lot of geek talk, but imagine all the pink things we'll be able hook up to pink power if it all works out!

Note: This is not a photo of the ruthenium-based charger, but an older solar concept from New Zealand.

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