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Ever dreamed of moving about the world invisible to onlookers? Scientists at Iowa State University have come up with a technology that could bring about the invisibility cloak of the future.
In a new paper, scientists illustrate how a stretchy fabric can hide its wearer from radar detection. The technology is called “meta-skin” and uses a metal alloy called galinstan that’s liquid at room temperature. The galinstan is put into electric resonators which act as a liquid wire within a silicone fabric. To shield specific radar frequencies, scientists had to pull and stretch the cloth until it’s properly “tuned.” When wrapped around a surface, the material can conceal the object’s electromagnetic waves from radar detectors. An Iowa State University statement indicated that its researchers demonstrated 75 percent of radar waves running at a 8 to 10 gigahertz frequency were blocked during tests.
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Invisibility Image Credit: Getty Images
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