BBC NEWS | Science/Nature | Sound science is quackers
Duck - Wikipedia
MythBusters - Prime Video
Daffy's quack DOES ECHO!! - YouTube
Duck | Encyclopedia MDPI
MythBusters: Don't Try This at Home: Mary Packard: 9780787983697: Amazon.com: Books
the mythbusters investigated whether or not a duck quack echos, and it's the cutest thing i've seen. jamie saying "quack, damn you" lives in my head rent-free. (S2003 E8) : r/duck