Although seemingly counterintuitive, a chain of inverted pendulums can be stabilized by small vertical oscillations of the base.
In 1993, D.J. Acheson was trying to give a new twist to an old problem in dynamics, first studied by Daniel Bernoulli in 1738. Bernoulli had… https://t.co/ZFD258F0Nv https://t.co/J0r5ATn6nK
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