#physics
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
Jet engines are used in aircraft to propel them forward by creating a forward thrust. There are various types of jet engines, but the most commonly... 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
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
Sound is the result of vibrations that propagate through a medium such as air, water, or solid materials. In space, there is no air, and thus no... 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
Kinetic energy is the energy an object possesses due to its motion, while potential energy is the energy an object possesses due to its position or... Read more
Redshift and blueshift are two important concepts in physics and astronomy. They are related to the Doppler effect, which is the change in the... Read more
Space is vast, to say the least. In fact, it is so large that it's difficult for the human mind to comprehend its sheer size. The observable... Read more
Lorentz's theory of relativity was developed in the late 19th and early 20th century, while Einstein's theory of relativity was published in 1905 and... Read more