Social science is a major category of academic disciplines, concerned with society and the relationships among individuals within a society.
Continue reading... Classical and Quantum mechanics are the two main fields of mechanics in physics. Classical mechanics came a few hundred years before Quantum mechanics. Subsequently it is less accurate and less reliable then the more recent mechanic field of Quantum mechanics. Despite being outdated, Classical mechanics can still be used for many everyday problems with bigger and slower moving objects.
At the heart of quantum mechanics is a mysterious equation known as the wave function. It helps explain the behavior of elementary particles, but also challenges the notion that there's only one reality. Scientific American editor Michael Moyer explains.