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|  __ \\  | || | ||     ___    |  ___|| | |  | || 
| |  \ || | || | ||    /   ||  | ||__   | |/\| || 
| |__/ || | \\_/ ||   | [] ||  | ||__   |  /\  || 
|_____//   \____//     \__ ||  |_____|| |_// \_|| 
 -----`     `---`       -|_||  `-----`  `-`   `-` 
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Text this: Terahertz waveguides for 6G communication