I'm not normally the type to point out grammatical mistakes made by commenters, but I feel like the comments should be a tad more scrutinized before published.
FTFC: "mistakes made my posters, "
I mean, come on guys...that's 3rd grade stuff there.
"The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment." -- Richard P. Feynman