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Researchers from Montreal’s National Institute of Scientific Research (INRS) just published a study in Optica detailing a new approach to invisibility cloaking. Their device, called a spectral invisibility cloak, is the first to manipulate the color (or frequency) of the light waves that interact with an object, rendering it invisible. “Our work represents a breakthrough in the quest
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If we’re going to head out into interstellar space one day, we might want to go equipped with some heavy-duty degreaser. New research has found that the vast intervals of space aren’t always filled with dry dust, but often contain a mist of greasy molecules. And there’s a lot of space grease out there. The