Many people do not like the idea that time has a beginning, probably because it smacks of divine intervention.

Exploration by real people inspires us.

It often happens that I have an idea, but then I try to fill in the intermediate steps and find they don't work, so I have to give it up.

Although quantum mechanics has been around for nearly 70 years, it is still not generally understood or appreciated, even by those that use it to do calculations.

In real time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which the laws of science break down.

Success is a relative term. It brings so many relatives.

Although I cannot move, and I have to speak through a computer, in my mind, I am free.