Seven Ideas that Shook the Universe

Is there an objective world, or is everything relative? Do matter, time and space change, or do they remain constant everywhere in the universe? Is there always a relationship between cause and effect, or do some things "just happen?" Many of our basic ideas about the world have been shaped by science—but seldom are such discoveries accepted easily or willingly. Here are seven of the most important ideas in physics—ideas that shattered the assumptions of dogmatists, philosophers and scienti...