iOS app Android app

False Vacuum

Is Our Universe the Ultimate Free Lunch?

Mario Livio | Posted 01.14.2013 | Science
Mario Livio

The inflationary model suggests an elegant solution to the puzzle of why our universe is expanding. But what happened before that? How did the universe get to that state?

What Did Go 'Bang' in the Big Bang?

Mario Livio | Posted 01.09.2013 | Science
Mario Livio

Cosmologists have used the Big Bang theory to examine how the large-scale structure of the universe emerged from tiny fluctuations in the density of cosmic matter -- but the original model left some perplexing cosmic properties to chance.