What everyone should know about Foucault pendulums and how they prove the earth rotates.

What everyone should know about Foucault pendulums and how they prove the earth rotates. - 15 pages : illustrations ; 28 cm - A scriptographic presentation . - Scriptographic presentation. .

Cover title. "Smithsonian Institution."--Cover.


Foucault's pendulum.
Pendulum.


Earth (Planet)--Rotation.

PendulumScience Not Geographic Foucault education Smithsonian, Timekeeper (general)