explicita https://www.theepochtimes.com/with-sonic-weapon-attack-china-demonstrates-experimental-program_2539742.html?utm_source=Epoch+Times+Newsletters&utm_campaign=296ab56298-EMAIL_CAMPAIGN_2018_05_30_10_32&utm_medium=email&utm_term=0_4fba358ecf-296ab56298-237964081