This post at WUWT is worth reading, and the comments, even more so. Brown is a rather sharp fellow.

“Robert Brown says:

March 1, 2012 at 8:29 pm

For the general public that does not have an objective scientific bend, how do you tell virtual reality from the real thing?

That’s a serious problem, actually. Hell, I have an objective scientific bend and I have plenty of trouble with it.

Ultimately, the stock answer is: We should believe the most what we can doubt the least, when we try to doubt very hard, using a mix of experience and consistent reason based on a network of experience-supported best (so far) beliefs.

That’s not very hopeful, but it is accurate. We believe Classical Non-Relativistic Mechanics after Newton invents it, not because it is true but because it works fairly consistently to describe Kepler’s purely observational laws, and…”

via Climate Science and Special Relativity | Watts Up With That?.