[Luc]

Oh, I don't doubt the effect, it's just that this article seems to have an anti-Special Relativity viewpoint, and espouses a different explanation for the effect. But I have just scanned it quickly.

Thanks for the links by the way!

[lnguyen]

The discussion of the twin paradox and SR seems to be lacking. There's a focus on only the time dilation effects and nothing on length contraction which would resolve the issue. Instead it becomes a mess of confusion.