تحقق نامرئی سازی با استفاده از فرامواد – باشگاه فیزیک تهران – Physics Club Tehran 198

New channel PSI - انجمن فیزیک ایران: title sample judged 'pick' (Mostly genuine physics lectures and colloquia, but monthly 'physics news' segments and roundtable/panel discussions are ); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.