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Instead of installing solar panels on your roof--how about just giving your house a new paint job? Of course you’d have to be sure to use solar paint. That’s what a group of Notre Dame researchers has created, detailing the recipe in the journal ACS Nano .

To promote its search app, Google goosed the mobile display ad form with rich media and 3-D printing. Today's mobile display ad just can't handle tomorrow's tech, which powers Google 's search app.