🌐EnglishEnglishFrançaisفارسی中文EntityQ3002819· pop 6· linked from 39 articlesacoustic metamaterialSign in to savetype of materialAvailable in 5 languagesFrançaisCatalanUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionswaveEntitypressureEntityCategoriesAcousticsMetamaterials