Why Corned Beef Sandwiches — And The Rest Of The Universe — Exist
Somehow, at the beginning of time, there was an imbalance of matter and antimatter. That's how all the stuff in the universe came about. Scientists think they may find an answer by studying neutrons.
It's easy to take corned beef sandwiches for granted. There's no mystery about them. They simply exist.
But corned beef sandwiches, along with everything else in the universe, raise a critical question in the minds of physicists: Why do they exist?
In the earliest moments of the universe, energy turned into matter. But matter comes in two forms, matter and antimatter. And when a particle of matter encounters a particle of antimatter, they
