On a seemingly ordinary Saturday in a California suburb, Julia and her family awake to discover, along with the rest of the world, that the rotation of the earth has suddenly begun to slow. The days and nights grow longer and longer, gravity is affected, the environment is thrown into disarray. Yet as she struggles to navigate an ever-shifting landscape, Julia is also coping with the normal disasters of everyday life{u2014}the fissures in her parents{u2019}...

"Why the force that keeps our feet on the ground holds the key to understanding the nature of time and the origin of the universe. Gravity is the weakest force in the everyday world yet it is the strongest force in the universe. It was the first force to be recognized and described yet it is the least understood. It is a "force" that keeps your feet on the ground yet no such force actually exists. Gravity, to steal the words of Winston Churchill,...

Learn about all the disgusting and dreadful aspects of gravity -- from blackouts caused by g-forces to toilet-troubles in space. Get your hands dirty too with some easy (and painless!) experiments.

An account of the century of experimentation that confirmed Einstein's theory of relativity, bringing to life the science and scientists at the origins of relativity, the development of radio telescopes, the discovery of black holes and quasars, and the still unresolved place of gravity in quantum theory. Albert Einstein did nothing of note on May 29, 1919, yet that is when he became immortal. On that day, astronomer Arthur Eddington and his team...

Princess Patema lives in an underground world, but one day tumbles headlong into a void and out into the wide open world above the surface. Age is a student on this surface world when he spies Patema hanging upside-down from a tree. He pulls her down to safety, struggling to keep her earthbound. Together they master the art of navigating competing gravitational forces and set out to discover the secret that keeps their worlds apart.

"When Dr. Cosmic's class meets Commander Nova, the school astronomer, they know their next lesson will be out of this world! With the help of Dr. Cosmic's latest invention--a planetarium--the class must complete four challenges. Each time the planetarium shifts and the atmosphere changes, the students find themselves floating from planet to planet. They put their new magnetic antigravity belts and trusted handbooks to the test to figure out where...