The Unseen Universe, Or, Physical Speculations on a Future State

absolutely animal appears artificial selection assert atoms believe body called chapter Christ Christian conceive conclusion conservation of energy Crown 8vo Dæmons death disciples Divine doctrine earth Egyptians engine Epicurus eternal ether existence fact finite force future gravitation heat heat engine heaven hypothesis idea imagine immortality infinite instance intelligent invisible universe Joule kinetic kinetic energy laws least living Lucretius machine mass material Max Müller means mind molecular motion object once order of things origin particles peculiar perfect fluid phenomena Philosophy phosphorus physical universe planets possible potential energy present universe present visible universe principle of Continuity produced Professor quantity question readers reality regard religion resurrection scientific sense solar solar system soul species speculations spirit stars substance supposed temperature theory Thomson thou thought tion transformed transmutation of energy truth ultimately unseen unseen universe variety various velocity vis viva words Zoroastrian