Quantum mechanics turns black holes from cold, eternal objects into hot shrinking thermodynamics. Physicists wondered: Is there a microscopic origin for black hole entropy? If the Four Laws of Black Hole Physics looked familiar, it’s because they sound just like the Four Laws of Thermodynamics, which are: Watch on Amazon- New Black Hole Image Revealed …
The skeleton is one of the most important human systems that maintains the standing position of the body against the force of gravity. The human skeleton naturally develops in the gravitational field of an earth, and its bony structure is designed to withstand the forces acting on it. The outer layer of bone is called …
The effect of solar radiation on astronaut’s skeletons Read More »
The temperature of an object actually measures the degree of agitation of the molecules that compose it. The more an object is hot, the more its molecules are agitated by rapid and erratic movements; this is called the thermal agitation. It is said that an object is at a temperature of absolute zero when its …
