Concept of a thermonuclear reactor based on gravity retention of high-temperature plasma

Concept of momentum-less bodies and a suggestion for its experimental verification using ultra-cold atoms

Concept of Quaternion Mass for Wave-Particle Duality : A Novel Approach

Conception of quantum cosmology

Conception of the scalar-vector potential in contemporary electrodynamics

Concepts of inertial, gravitational and elementary particle masses

Concepts of relative velocity

Conceptual Foundations of Special and General Relativity

Concerning Hertz' photoelectric effect

Concerning the limit for neutrino mass

Concerning the searches for Higgs bosons

Condensation Energy of a Spacetime Condensate

Condensed Geometry

Conditions for stimulated emission in anomalous gravity-superconductors interactions

Configuration 1s22s3p in the sequence NE vii-Fe xxiii: Level energies and lifetimes

Confined gravitational waves for chiral matter with heat

Confirmation of Don Borghi's experiment on the synthesis of neutrons from protons and electrons

Conformal Gauge Relativity - On the Geometrical Unification of Gravitation and Gauge Fields

Conformal theory of galactic halos

Confusion in electromagnetism and implications of CPT symmetry -- system of units associated with symmetry