Materials scientists and chemists have shown a way to bring electromagnetic metamaterials into the third dimension using commercial 3-D printers. Printed metamaterial cubes were found to interact with radio and microwave electromagnetic waves 14 times more strongly than their 2-D counterparts. The breakthrough could revolutionize the rapid design and prototyping of radio frequency devices for Bluetooth, Wi-Fi, wireless sensing and communications.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/05/170504122004.htm
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