Hans C. Ohanian

The Wealthy And Powerful Have Ruined The Economy; Now They’ve Turned Their Attention To Education

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Diane Ravitch reviews two new books on the current “crisis” in education in the New York Review of Books (hat tip to Susan Ohanian, who has a very interesting site devoted to education here; incidentally, Ms. Ohanian is married to physicist and fine textbook author Hans C. Ohanian). Her review is entitled School ‘Reform’: A … Read more

Mysteries of Magnetism

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The ancient Greeks thought of atoms as the smallest, indivisible bits of matter. By the twentieth century, experiments showed that (what we nowadays call) atoms have internal structure; a key early experiment was the Geiger-Marsden experiment, performed under the supervision of Rutherford, about which we’ll have more to say in a future post. But the … Read more