The narrator observed a pendulum in the choir, understanding its isochronal motion was governed by the wire's length and π. A magnetic device beneath the floor ensured its perpetual oscillation by ...
Catalan scientists have built a pendulum-based energy-harvesting system that converts the vibrations of water currents into ...
“The only skyscraping girls’ school in the world” is small (600 students) Mundelein College, which is lodged near Lake Michigan in a 15-story building on Chicago’s North Side. A popular teacher of ...
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