After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City. Greg Berlanti, Geoff Johns, Andrew Kreisberg.
vector sum, resultant-a vector that is the sum of two or more other vectors. radius vector-a line connecting a point in space to the origin of a polar coordinate system. radius vector-a line connecting a satellite to the center of the body around which it is rotating.
Line is defined as a path through space. Horizontal lines create a path from side to side, and provide the horizon for a two-dimensional piece of art. Vertical lines create a path up and down, and provide strength and permanence to a piece. Diagonal lines slant and help create a sense of motion. Curvilinear lines, or curved lines, slowly change direction. Spirals and circles begin with a curvilinear line.