Travel at faster than the speed of light certainly can have dramatic implications that are difficult to understand, such as time travel.

When it comes to the world around us, is there any choice but to explore?

Sometimes models are surprisingly smart.

Scientific research involves going beyond the well-trodden and well-tested ideas and theories that form the core of scientific knowledge. During the time scientists are working things out, some results will be right, and others will be wrong. Over time, the right results will emerge.

I'm not creating the universe. I'm creating a model of the universe, which may or may not be true.

The universe has its secrets. Extra dimensions of space might be one of them. If so, the universe has been hiding those dimensions, protecting them, keeping them coyly under wraps. From a casual glance, you would never suspect a thing.

Physicists have yet to understand why the Higgs boson's mass is what it is.