### Some articles on *inertial*:

Advanced

... The Advanced

**Inertial**Reference Sphere... The Advanced

**Inertial**Reference Sphere, or AIRS, is a highly accurate**inertial**guidance system designed for use in the LGM-118A Peacekeeper ICBM which was intended for precision nuclear strike against Soviet missile ...Ludwig Lange - Biography

... Lange is known for inventing terms like

... Lange is known for inventing terms like

**inertial**frame of reference and**inertial**time (1885), which were used by him instead of Newton's "absolute space and time" ... DiSalle describes Lange's definition in this way “ An**inertial**system is a coordinate system with respect to which three free particles, projected from a single point and moving in non-coplanar ... inertia then states that relative to any**inertial**system, any fourth free particle will move uniformly ...Special Relativity (alternative Formulations)

... of relativity — The form of a physical law is the same in any

... of relativity — The form of a physical law is the same in any

**inertial**frame ... The speed of light is constant — In all**inertial**frames, the speed of light c is the same whether the light is emitted from a source at rest or in motion ... (Note this does not apply in non-**inertial**frames, indeed between accelerating frames the speed of light cannot be constant ...