The physics of how Olympic weightlifters exploit barbell's "whip"

The type of bar matters when it comes to how it bends and recoils, but why is still a mystery. https://arstechnica.com/science/2026/05/the-physics-of-how-olympic-weightlifters-exploit-barbells-whip/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social