Reversal in time order of interactive events: Collision of inclined rods

Reversal of Circular Bragg Phenomenon in Ferrocholesteric Materials with Negative Real Permittivities and Permeabilities

Reverse rotations in the circularly-driven motion of a rigid body

Reversed Circular Dichroism of Isotropic Chiral Mediums with Negative Real permeability and permittivity

Revisiting special relativity: A natural algebraic alternative to Minkowski spacetime

Rheological Interpretation of Rayleigh Damping

Rigorous treatment of electrostatics for spatially varying dielectrics based on energy minimization

Rocking and rolling: a can that appears to rock might actually roll

Role of friction-induced torque in stick-slip motion

Role of the Gelatinous Layer (G-Layer) on the Origin of the Physical Properties of the Tension Wood of Acer sieboldianum

Rolling of asymmetric disks on an inclined plane

Rotating Electromagnetic Waves in Toroid-Shaped Regions

Rotating optical cavity experiment testing Lorentz invariance at the 10^{-17} level

Rotating strings

Rotationnal and translational waves in a bowed string

Ruchhardt Oscillator Decay- Thermodynamic basis for Hysteretic Damping

Run Up of Surface and Internal Waves

Rutherford Scattering with Retardation