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Forget those stupid tiki torches and citarella candles, the new techie landscaping objet d'art are these outdoor plasma lamps from LazyBone. A little large, but they're battery operated, bright and completely wireless. And they kinda look like light sabers, which could be either a plus or a minus. $33 each.

Glowing Accents Outdoor Plasma Lamps [GadgetMadness]