Echolocation & S.O.N.A.R
Khan Academy India - English
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Echolocation & S.O.N.A.R
82 791 просмотр · 7 л. назад
Khan Academy India - English
618 тыс. подписчиков
82 791 просмотр · 7 л. назад
Let's learn how animals and ships use echoes to 'see' the world around them.
Created by Mahesh Shenoy
