研究者が南極の氷床の深さ137メートルの穴に氷を落としたら・・・
Here’s the story on this crazy sound (V1), plus the basic science @blueicehiggins, myself, & others do studying past climate with #Antarctic ice cores. 🇦🇶🧊❄️ pic.twitter.com/QAtjcxXXGh
— Peter Neff (@peter_neff) February 8, 2020