RT @ABC: SOUND ON: What sound is made when you drop a nine-inch ice core—a sample of ice drilled from a glacier—down a 450-foot deep hole in Antarctica? Turns out it’s something like a series of cartoon ricochets! https://t.co/Zd75da8uvn https://t.co/dPE0jYBTex

SOUND ON: What sound is made when you drop a nine-inch ice core—a sample of ice drilled from a glacier—down a 450-foot deep hole in Antarctica? Turns out it's something like a series of cartoon ricochets! https://t.co/Zd75da8uvn pic.twitter.com/dPE0jYBTex

— ABC News (@ABC) February 12, 2020

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