Example image of eyePlorer eyePlorer map for 'Alternatives to general relativity': General relativity Gravitation Theoretical physics Bimetric theory Brans–Dicke theory Einstein–Cartan theory Loop quantum gravity Quantum gravity Classical unified field theories Kaluza–Klein theory M-theory Theory of everything Joseph Louis Lagrange Newton's law of universal gravitation Le Sage's theory of gravitation Lorentz transformation Lorentz covariance Tests of general relativity Quantum field theory Strong interaction Weak interaction Dark energy Dark matter Inflation (cosmology) Pioneer anomaly Gravitational constant Speed of light Natural units Einstein notation Minkowski space Metric tensor (general relativity) Metric signature Partial derivative Covariant derivative Action (physics) Principle of least action Variational principle Einstein–Hilbert action Scalar curvature Modified Newtonian dynamics Metric tensor Stress-energy tensor Mach's principle Del Divergence Gradient Free fall Mechanical explanations of gravitation Drag (physics) Conservation of energy