Category Archives: eric rogers

Rotating Earth: the proofs or significance of Leon Foucault’s pendulum – Part 1

In an earlier post, we had discussed proofs of the round shape of the Earth. This included some ancient and some modern proofs. There was, in general, a consensus that the shape of the Earth was spherical and not flat … Continue reading

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Examinations: Students, Teachers and the System

We think of exams as simple troublesome exchanges with students: Glance at some of the uses of examinations: Measure students’ knowledge of facts, principles, definitions, experimental methods, etc Measure students’ understanding of the field studied Show students what they have … Continue reading

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