From electromagnetic waves that enable us to connect in an instant to the gravity that keeps our feet firmly on the ground, this book is the fastest way to get up to speed with rocket science--and the rest. In a world where physics is an everyday essential and new quantum developments make headline news, you need to know your atoms from your antimatter, learn just enough to speak with fluidity about Fluid Dynamics and be certain about the Uncertainty Principle. Each idea, no matter how complex, is explained in just two pages, 300 words, and one picture, making this the quickest way to understand gravity, light, energy and more. This is 50 key concepts and complexities, each explained without the jargon. The bestselling 30-Second series offers a new approach to learning about those subjects you feel you should really understand. Every title takes a popular topic and dissects it into the 50 most significant ideas at its heart,explained in just two pages that are easily digested in only half a minute.