#physics

Light travels through space in a straight line at a constant speed of 299,792 kilometers per second (or approximately 186,282 miles per second)....    Read more

The sun is a main sequence star, which means that it is in a stable phase of its evolution. However, as it continues to burn hydrogen in its core, it...    Read more

Einstein's theory of relativity is one of the most significant scientific breakthroughs in history. Prior to Einstein's theory, the prevailing view...    Read more

According to Newton's law of universal gravitation, every object in the universe attracts every other object with a force that is directly...    Read more

Batteries are devices that store and release electrical energy. The basic principle behind how batteries work is based on the concept of...    Read more

General relativity is a theory of gravity, but it is distinct from other theories of gravity in several key ways. The theory was developed by Albert...    Read more

The speed of light is a fundamental physical constant, denoted by the letter c. It is the speed at which electromagnetic radiation (such as light)...    Read more

Sound is a type of energy that travels through different media, such as air, water, and solids. Vibrating objects, such as vocal cords or the strings...    Read more

Light is one of the most intriguing phenomena in the universe, and one of its most remarkable properties is that it travels at a constant speed in a...    Read more

The speed of light is a fundamental physical constant, denoted by the letter c. It is the speed at which electromagnetic radiation (such as light)...    Read more