#physics

insights  What is string theory?

String theory is a theoretical framework in physics that attempts to unify all known forces and particles in the universe. It posits that the...    Read more

visibility  Where does light travel to and where does it stop?

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

science  What is the theory of relativity, and did Einstein ever express doubts about its correctness?

The theory of relativity is a set of two interrelated physical theories proposed by Albert Einstein. The first one, called special relativity, was...    Read more

science  What are the basic principles of thermodynamics and their applications in science and engineering?

Thermodynamics is a branch of physics that deals with the relationships between heat, work, and energy. There are four basic principles of...    Read more

science  How do you calculate the kinetic and potential energy of an object?

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

flare  Does light travel indefinitely, or does it dissipate over time?

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

scatter_plot  If I move at the speed of light and throw a stone forward, would it travel faster than light?

According to Einstein's theory of special relativity, the speed of light is an absolute limit that cannot be exceeded. This means that no matter how...    Read more

speed  What is the speed of light?

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

science  How do you calculate the kinetic and potential energy of an object?

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

flight  How do jet engines work?

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