Example image of eyePlorer eyePlorer map for 'Classical mechanics': Mechanics Physical body Physical law Physics Quantum mechanics Astronomical object Galaxy Machine Macroscopic scale Planet Projectile Spacecraft Star Engineering Science Technology Gas Liquid Solid Atom General relativity Gravitation Molecule Special relativity Speed of light Velocity Wave–particle duality Theory of relativity Classical mechanics Gottfried Leibniz Isaac Newton Hamiltonian mechanics Lagrangian mechanics Negligible Point particle Force Mass Parameter 0 (number) Electron Baseball Degrees of freedom (physics and chemistry) Rotation Center of mass Space Euclidean vector Time Galilean invariance Absolute time and space Euclidean geometry