Roget's spiral

Ro·​get's spiral | \ (ˈ)rō¦|zhāz-, ˈräˈ|\

Definition of Roget's spiral

: an open helix of elastic wire that contracts in length when an electric current passes through it and thereby demonstrates the attraction of parallel currents

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History and Etymology for Roget's spiral

after Peter M. Roget †1869 English physician

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involving a confidence or trust

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