Download or read book Gravity written by Timothy Clifton and published by Oxford University Press. This book was released on 2017 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravity is the most immediately familiar of the four fundamental forces of nature, and its effects dominate many of the phenomena commonly observed. Timothy Clifton looks at the development of our understanding of gravity, from Newton's apple to gravitational waves and efforts such as string theory to combine gravity with quantum mechanics