### Why is Time Frozen from Light's Perspective?

From the perspective of an observer traveling at the speed of light, time appears to be frozen. This strange phenomenon is a consequence of the theory of relativity, which states that the laws of physics are the same for all observers, regardless of their relative motion.

According to the theory of relativity, time and space are not separate entities but are part of a single four-dimensional fabric called spacetime. The motion of an object through spacetime is described by its world line, which is a curve that represents the object's location at different points in time.

When an object is moving at a constant velocity, its world line is a straight line, and time appears to pass at the same rate for the object as it does for a stationary observer. However, when an object is moving at a high speed, its world line becomes curved, and time appears to pass more slowly for the object compared to a stationary observer.

The faster an object is moving, the more its world line is curved, and the slower time appears to pass for the object. At the speed of light, the world line becomes a straight line perpendicular to the direction of motion, and time appears to stop completely from the perspective of the observer.

In summary, from the perspective of an observer traveling at the speed of light, time appears to be frozen due to the theory of relativity, which states that the laws of physics are the same for all observers. According to this theory, time and space are part of a single four-dimensional fabric called spacetime, and the motion of an object through spacetime is described by its world line. When an object is moving at a high speed, its world line becomes curved, and time appears to pass more slowly for the object compared to a stationary observer. At the speed of light, the world line becomes a straight line, and time appears to stop completely.