John Bird (scientist)
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John Clifford Bird is a Canadian engineer, scientist, and journalist. Bird’s research has included laser physics, atmospheric physics, and materials in microgravity. He broke the world altitude record
Dr. John Bird floating in NASA's KC-135 aircraft to perform experiments in 0g.
Foucault pendulum
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The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault, conceived as an experiment to demonstrate the Earth's rotation. If a long and heavy pendulum
John Bird (scientist)
…pendulum was erected in a six-story staircase of a new station that was under construction near the pole. The new station offered an ideal venue for the Foucault pendulum; its height ensured an accurate result, no moving air could disturb it, and low air pressure reduced air resistance. The researchers confirmed about…
Foucault's pendulum in the Panthéon, Paris
A print of the Foucault Pendulum, 1895