The cosmic vanishing act began, approximately, when dark matter and dark energy showed up on the radar of cosmology. “Dark” is a misleading term, because the space between the stars is pitch black, but it isn’t dark in the way that dark matter and energy are. They are dark as in totally mysterious. No light is given off by them, or any known form of energy we associate with the universe. They cannot be measured, and so far as anyone can guess, dark matter is probably not constituted of anything resembling atoms or subatomic particles.

The reason that dark matter and energy are important is arcane to the layman, having to do with the fact that instead of moving apart at a constant rate or slowing down, the galaxies are accelerating as they move away from each other. This acceleration defies gravity, so at the very least dark energy is some species of antigravity (to put it in very general terms—the actual nature of this unknown force is complex, arcane, and much speculated over).

Even knowing this, you may shrug your shoulders and ignore such an abstruse problem, until you discover that only around 4% of the created universe is accounted for by the matter and energy visible to the eye or to scientific instruments, bound up in galaxies and interstellar dust. The vast majority, around 96% is dark, hence unknown. Far beyond the abstractions of scientific theory, the known and knowable universe slipped out of reach—that’s the cosmic vanishing act.

Jack Sarfatti's response to Chopra's article:

"These aren’t just gaps in a fabric that needs mending and more weaving. They strike at the false assumption that if you measure a thing, you know the thing. Reality can’t be modeled; it’s infinite, every-changing, mostly hidden from view, based on inconceivable beginnings, and at times walled off even from mathematics, the primary language of science" 

Deepak's position above is anti-scientific and will be opposed by all physicists because his argument is spurious. If we all accepted it we would still be stuck in Hobbes "state of nature" in caves miserable like animals.

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