Last week, I was in Linz, Austria for the Ars Electronica Festival, an interdisciplinary showcase for technology-driven arts and science innovation projects of all kinds. Walking down one of the picturesque, Upper Austrian city’s 18th century cobblestone streets lined with Euro-chic shops and cafes, I came upon a gigantic metal sunflower parked in the middle of the roadway. This object turned out not to be a whimsical sculpture, but a portable, plug-and-play solar power unit. An on-site demonstration showed off its several innovations. At the touch of a button, a large solar panel surface unfolds, automatically turning toward the sun. At sunset, the unit folds up its panels, cleans itself, and stores itself in a housing for protection from the elements.

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