The ocean-like sound produced by a seashell is an interesting phenomenon.
Exploring Antarctica's Upside-Down World - Atlas Obscura
A world of Faith, Airships, and Iron: setting historia/eventual ME cross?: Proof-readers wanted, Page 36
Why can you hear the 'ocean' in seashells or a cup? - Quora
UT fossil study challenges theory about 'The Great Dying' – The Daily Texan
BIOL 326: Experimental biology of invertebrates, Science from the student perspective
How are seashells made? - Woods Hole Oceanographic Institution
Can you listen to the ocean in a seashell?
Common And Rare Types Of Shells Found On The Beach
Lydresonans - Klima, naturfenomen og naturvern
Why Can You Hear The Ocean When You Put A Seashell To Your Ear? – KidzNet
Notes from the Field