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This book offers a detailed and stimulating account of the Lagrangian, or variational, approach to general relativity and beyond. The approach more usually adopted when describing general relativity …

Learn how to use light to boost your mood and wellbeing, create a happier, healthier home and enhance your life.The light that surrounds on a daily basis us has a huge impact on our brains, our mood …

Whether searching for extra-terrestrial life, managing the effects of space weather or learning about dark matter, the study astrophysics has profound implications for us all. NASA scientist and astr …

This book introduces the phenomenology of gravitational lensing in an accessible manner and provides a thorough discussion of the related astrophysical applications. It is intended for advanced under …

See What’s Out There To experience the greatest show on Earth, all you have to do is look up. Whether you’re stargazing from a bustling city or a small-town backyard, Astronomy with a Home Telescope …