Are Portals Possible?

When we ask the question "Are Portals Possible?" the most common answer would be a simple no. Upon first glance, it defies common sense and any law of physics that we have built an understanding on.

Although they do defy both common sense and the laws of physics, they are still included in the realm of possibility.

The article above tackles a popular videogame called Portal which is based around a character that solves puzzles with a blue and orange portal being the centerpiece.

Even if we suppose that it was a wormhole which was what bridged the two points, it cannot be classified as concrete.