A Foucault pendulum is a simple device for observing the Earth's rotation. While such pendulums have been around for more than 150 years and are a staple of the modern science museum, they are ...
“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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