The Bases of Modern Science

actual assume assumption atomic number atomic weight behaviour body Bohr atom Bohr's called cathode rays characteristics chemical chlorine concepts conservation of energy constitution continuum deduced distance earth effects Einstein's theory elec electric charge electric current electrolysis electromagnetic electron elementary charge elements equations Euclid's Euclidean Euclidean geometry exist experimental experiments explain fact Faraday finite fluid formulation fundamental Galileo geometry heat helium hydrogen atom hypothesis inertia ions J. J. Thomson Kepler laws lines of force magnetic force mathe mathematical description mathematicians matical matter Maxwell Maxwell's measured mechanical ment merely molecules moving Nature Newton Newtonian nomena non-Euclidean geometry nucleus observed orbits particles perceptions phenomenon physical planets positive charge principle properties quantity quantum radiation radium regarded relative motion rotating scientific space-time straight line structure substance suppose temperature theory of relativity tion tonian tricity tube universe vacuum tube velocity of light vibrations wave-lengths whole X rays