A lot of people have dreams about falling, so we are going reveal what these falling dreams are really about! There are two types of falling dreams; the first one is where you are just drifting off to sleep and you think you are still awake and all of a sudden your body jerks and you wake up. This is physiological glitch taking place.
World Systems Theory. The world systems theory, developed by sociologist Immanuel Wallerstein, is an approach to world history and social change that suggests there is a world economic system in which some countries benefit while others are exploited.
Einsteinâs theory was that electromagnetic radiation (light, for example) has characteristics of both a wave and a stream of particles. The Bohr Model of the Atom In 1913, Niels Bohr used what had recently been discovered about energy to propose his planetary model of the atom. In the Bohr model, the neutrons and protons are contained in a small, dense nucleus, which the electrons orbit in defined spherical orbits. He referred to these orbits as âshellsâ or âenergy levelsâ and designated each by an integer: 1, 2, 3, etc.