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In this episode we will find out, among other things, whether a bat-man exists and whether each of us can learn echolocation? Can we photograph sounds? Can we reconstruct sound using... a crisp packet?! In other words, make a wiretapping device out of such a packet? And what is sound anyway? What are the elements of the ear and how does it function? Why do we need a folded auricle? You will find the answers to these questions in this episode! We would like to thank the online bookstore: http://bonito.pl Zespół Nienasyconego Czytelnictwa / zncbooks Our fanpage - / emce.funpage Our instagram: / emce.kwadrat hearing test - http://www.noiseaddicts.com/2009/03/c... Intro: Rav Szymański / aravproduction Music: Song: Virtual Riot - Energy Drink » Download: https://fb.com/RebornTunes The Best Copyright & Royalty Free Music uploaded every day! Download Copyright Free Music, Dubstep, Drumstep, DnB, Drum n Bass, Electro, Electronic, House, Electro-House, Progressive-House, Progressive, EDM, Trap, Dance, Glitchhop, Music. and much More. 100% Free with No Copyright! Creative Commons License http://creativecommons.org/licenses/b... -------------------------------------- Artist's Links: Virtual Riot - Energy Drink / virtualriotmusic / virtual-riot The rest of the music is music for which we have a license allowing its use.