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13.04.2014 (12:24) Технология >> Нанотехнология
Жидкая пена может блокировать звук
Изучая возможность использования ультразвука для оценки структуры жидкой пены, группа ученых из Франции пришла к неожиданному результату. Оказывается, пена способна блокировать передачу ультразвука в определенном диапазоне частот. Проведенные учеными эксперименты ...>>


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