Virtual Reality

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Virtual Reality

A computer simulation that takes data inputs and uses a stated methodology to create outputs. Virtual reality is used in gaming. Likewise, it is important in science and business to predict future trends.
References in classic literature ?
In the hurry and confusion it had happened that all had not gained their own caves.
This calling back and forth continued for some time, but they were too cautious to come out of their caves and descend to the ground.
I looked first at my lifeless clay there upon the floor of the cave and then down at myself in utter bewilderment; for there I lay clothed, and yet here I stood but naked as at the minute of my birth.
Again was I suddenly recalled to my immediate surroundings by a repetition of the weird moan from the depths of the cave.
Without a sound the great beast moved rapidly toward the seventh cave to see what manner of intruder had thus rashly penetrated so far within the precincts of his habitation.
Beyond the last cave we emerged into a desolate country of snow and ice, but found a well-marked trail leading north.
The Sagoth nearest the cave bear, finding his escape blocked, turned and leaped deliberately to an awful death upon the jagged rocks three hundred feet below.
Not caring to venture back into the canyon, where I might fall prey either to the cave bear or the Sagoths I continued on along the ledge, believing that by following around the mountain I could reach the land of Sari from another direction.
It seemed that I had scarcely settled myself in a comfortable position before a party of cave men emerged from one of the smaller apertures in the cliff-face, about fifty feet from the base.
On the morrow I was to die some sort of nameless death for the diversion of a savage horde, but the morrow held fewer terrors for me than the present, and I submit to any fair-minded man if it is not a terrifying thing to lie bound hand and foot in the Stygian blackness of an immense cave peopled by unknown dangers in a land overrun by hideous beasts and reptiles of the greatest ferocity.
Now stranger, if you have strength, come to the mouth of the cave and look out, for the moon is bright.
No sound, no heat, no movement came from it, but still the great luminous curtain glowed before us, silvering all the cave and turning the sand to powdered jewels, until as we drew closer it discovered a circular edge.