Books by Tracey Hecht. The Ominous Eye: The Nocturnals, Book 2. Written by Tracey Hecht with illustrations by Kate Liebman - Magic, Children's 7 - 11, Fantasy, Fiction, Friendship, Humor, Youth Fiction. When a violent jolt fractures the earth, the Nocturnal Brigade sets out to investigate its source.
Isaac Newton laid the blueprints for his three laws of motion, still recited by physics students, in 1666. Credit: Library of Congress Isaac Netwon is synonymous with apples and gravity.
Newton also critiqued and expanded on the work of Rene Descartes, who also published a set of laws of nature in 1644, two years after Newton was born. Descartes' laws are very similar to Newton's first law of motion. Back then, most people believed that the natural state of a body was to be at rest.