The Jacob's ladder toy's flipping waves are topological solitons from gravity-induced bistability, with kink-antikink coexistence allowed by the toy's floppiness and symmetry, unlike in the Kane-Lubensky chain, leading to observed pair annihilation.
However, from the symmetry (a= b), the two speeds must be equal, i.e.,c kink =c antikink
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Topological antiqued mechanical toy
The Jacob's ladder toy's flipping waves are topological solitons from gravity-induced bistability, with kink-antikink coexistence allowed by the toy's floppiness and symmetry, unlike in the Kane-Lubensky chain, leading to observed pair annihilation.