In the last 30 years of his life Albert Einstein searched for a unified theory - a theory which could describe all the forces of nature in a single framework. In this work, Hawking and Mlodinow reveal an original and controversial theory of their own.

Designed to be invaluable at every stage of A level courses, Complete A-Z Handbooks are focused glossaries which provide straightforward definitions to clarify complex jargon, clear treatment of key concepts and revision lists

This guide to Einstein's theory of relativity presents an overview of the essentials and formulas of Einstein's theory, and focuses on quick definitions and demonstrations of the procedures needed to solve problems.

An introduction to the physics and various properties of sound, with practical activities to aid understanding.

This exhaustive compilation of essential terms contains 11,500 entries covering every major discipline of physics. Designed for professionals and students, the dictionary provides access to clear definitions of the latest terminology.

This series will satisfy the most enquiring young scientific minds. With a back-to-basics approach to the core topics, these books investigate science in a clear and concise way and explain how science is relevant to children's everyday world.

'What if?' are the two words that sow the seeds for human speculation, experimentation, invention, evolution, revolution, and change. In an uncertain age, economists are asking, What if growth stops growing?; scientists, What if light speed gets overtaken?; and politicians, What if the third world becomes the first? This book challenges a team of scholars to experiment with 50 topical science speculations, at a time when the hunt for the Higgs boson...

This work offers a look at the awe-inspiring and sometimes downright weird world of physics. The book covers the basics we learnt at school, including motion and forces, work and energy, matter and heat, and electricity and magnetism.