Address Delivered Before the British Association Assembled at Belfast : Legare Street Press : 9781020922459 : 1020922451 : 18 Jul 2023 : This speech by the eminent British physicist John Tyndall reflects on the nature and significance of scientific inquiry in the 19th century. It covers a range of topics related to science and philosophy, including the role of experiment, the nature of matter, and the relationship between science and religion. With its clear and insightful prose, it offers a compelling perspective on the scientific enterprise for both scientists and general readers. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and w