Re: Basic Science Question - "fabric" of space
^ ... or any supporting evidence is carefully selected and likely out of date. I concur. As to dark matter and dark energy, we're talking about 96% of the "stuff" of which the universe is supposedly composed. That's a lot to be ignorant about without having been able to measure it directly - although people at Gran Sasso and elsewhere are trying.
"Sans le canard de Vaucanson vous n'auriez rien qui fit ressouvenir de la gloire de la France." -- Voltaire -- Flip flap!