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September 1st, 2015 at 12:06 pm

Researchers construct shape-shifting liquid-metal antennas

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Researchers at North Carolina State University in Raleigh have constructed an antenna that can be lengthened—or shortened—to adjust their frequency using liquid metal.

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Normally, when you want to adjust the resonant frequency of an antenna, you add electronic components like inductors to the circuit. But you can only go so far with that approach; at some point you’ll have to change the physical length of the antenna. That’s fine if you’re designing something, but impractical to do on the fly—until now.

Via IEEE Spectrum

 

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