Physics is the study of the objects that make up our physical reality - everything from subatomic particles to galaxies. Its goal is to figure out how things work and why. Physics is relevant. Its discoveries have profound impact. They become the technologies that improve our lives and that drive innovation and business. This book summarizes what everyone should know about Physics. Its objective is to elucidate what has been discovered and important inventions that are the result. It also describes the bizarre behaviour that make the real world so fascinating.