By Bob Robinson "If I were at the outside, say at the heavens of the fixed stars, could I stretch my hand or my stick outward or not? To suppose that I could not is absurd; and if I can stretch it out, that which is outside must be either body or space (it makes … Continue reading On Archytus →

By Bob Robinson Apollonius of Perga (260-170 B.C.), called by the ancient Greeks "the great geometer" for his discovery of the concept of "conic sections", is a much neglected giant in the history of science. According to Pappus (300 A.D.), he traveled to Alexandria from his birthplace in Asia Minor as a young man, attracted … Continue reading On The Circles Of Apollonius →