Wetting problem for multi-component fluid mixtures
What is spin?
What is the Evans-Vigier Field?
What our world might be like (as alternative to Minkowski space-time with Poincare group of motion)
Wheels within wheels: Hamiltonian dynamics as a hierarchy of action variables
When a mass term does not represent a mass
Where will a pen fall to?
Why are very short times so long and very long times so short in elastic waves?
Why Jefimenko equations ? (A comment on "Multipole radiation fields from the Jefimenko equation...", by R. de Melo e Souza et al, Am. J. Phys. 77 (1), 67-72 (2009), arXiv:0812.4679)
Why the Langevin-Debye theory of molecular polarization fails in gas phase
Work and energy in inertial and non inertial reference frames
Work and energy in rotating systems
Work-Energy theorem in rotational reference frames
X-Ray Propulsor: Physical Principle for an Electromagnetic Propellantless Propulsion System
Yield design for porous media subjected to unconfined flow: construction of approximate pressure fields
Yield design formulation for porous media subjected to flow, using approximate pressure field. Calcul à la rupture en présence d'un écoulement : formulation cinématique avec un champ de pression approché
Zeeman effect of the hyperfine structure levels in hydrogenlike ions
Zitterbewegung as purely classical phenomenon
`Why Does Not a Spinning Top Collapse?' : Intuitive Explanations