 Why don't Eric and Nada build a shelter first?
Experimenter Publications Inc. Finally, when only psychological studies of the future would do, he produced "With Folded Hands ..." "... It is especially important because it stylistically forecast a later trend to accept the background for granted, regardless of the quantity of wonders, and proceed with the story. "My days were filled," he remembers, "with monotonous rounds of what seemed an endless, heart-breaking war with drought and frost and dust-storms, poison-weeds and hail, for the sake of survival on the Llano Estacado." He smiled fondly across to the other of the twin beds, where Nada, his pretty bride, lay quiet beneath light silk covers. His hero was likely to be an ape-man roaring through the jungle, with a bloody rock in one hand and a beautiful girl in the other. His heroes were invariably strong, fearless, resourceful fellows, who could handle a club on equal terms with a cave-man, or call science to aid them in defending a beautiful mate from the terrors of a desolate wilderness. And then they went hand in hand, to the side of the room and punched a series of buttons on a panel—a simple way of ordering breakfast sent up the automatic shaft from the kitchens below. Nada Stokes-Harding was also an author. Even though the whole world had grown up into a city, the birds were extinct, there were no wild flowers, and no one had time to bother about sunsets. If we could only have lived a thousand years ago, when life was simple and natural, when men hunted and killed their meat, instead of drinking synthetic stuff, when men still had the joys of conflict, instead of living under glass, like hot-house flowers." But they were all filled up two hundred years ago. Pleasure resorts, sanatoriums, cities, factories." It has a thick, cloudy atmosphere, and low, rainy forests. It would be so thrilling to begin life like the characters in your stories, to get away from this hateful civilization, and live natural lives. He skipped across the floor, seized Nada, kissed her ecstatically. "But the method, in the new Cosmic Express, is simply to convert the matter to be carried into power, send it out as a radiant beam and focus the beam to convert it back into atoms at the destination."
 They are looking for flint to make a fire.
 They are looking for dry sticks to rub together.  They are certain they will find tools.  They are looking for flint to make a fire.  They are looking for a cave.