Today, physicists have discovered a way to build metamaterials through a process called “frustration.” This method allows for the creation of materials with unique properties that can be used to manipulate light and sound. It’s expected that this breakthrough could lead to a variety of new applications, such as optical fibers that are resistant to electromagnetic interference, and acoustic materials that can absorb sound. This exciting breakthrough has the potential to revolutionize the way we use sound and light in everyday life.

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source: Phys.org