A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant and unchanged throughout the course of the investigation. Control variables could ...

Variable Speed Limit (VSL) control represents a dynamic approach to managing roadway traffic, allowing for real-time adjustments to speed limits based on prevailing traffic conditions, safety ...

The actions of humans, machinery, ventilation and heating systems, and road or rail traffic can cause many vibrations. Although these vibrations have little effect on occupants, equipment used in ...