"Thought vibration. The touch is not really felt nor the voice heard: they are only imagined. The radioactive waves of the brain of even you Black Age people are swift enough to bridge Space and Time. And it is the mind that carries us beyond the third dimension." * * * * * Her red mouth reached closer to him, her blue eyes touched hidden forces that slept in remote cells of his being. "You are going into Eternal Time, John Northwood, Eternity without beginning or end. You understand? You feel it? Comprehend it? Now for the contact--kiss me!" Northwood had seen Athalia vanish under Adam's kiss. Suddenly, in one mad burst of understanding, he leaned over to his magnificent temptress. For a split second he felt the sweet pressure of baby-soft lips, and then the atoms of his body seemed to fly asunder. Black chaos held him for a frightful moment before he felt sanity return. He was back on the terrace again, with Eve by his side. They were standing now. The world about him looked the same, yet there was a subtle change in everything. Eve laughed softly. "It is puzzling, isn't it? You're seeing everything as in a mirror. What was left before is now right. Only you and I are real. All else is but a vision, a dream. For now you and I are existing one minute in future time, or, more simply, we are in the Fourth Dimension. To everything in the third dimension, we are invisible. Let me show you that Dr. Mundson cannot see you." They went back to the room beyond the terrace. Dr. Mundson was not present. "There he goes down the jungle path," said Eve, looking out a window. She laughed. "Poor old fellow. The children of his genius are worrying him." * * * * * They were standing in the recess formed by a bay window. Eve picked up his hand and laid it against her face, giving him the full, blasting glory of her smiling blue eyes. Northwood, looking away miserably, uttered a low cry. Coming over the field beyond were Adam and Athalia. By the trimming on the blue dress she wore, he could see that she was still in the Fourth Dimension, for he did not see her as a mirror image. A look of fear leaped to Eve's face. She clutched Northwood's arm, trembling. "I don't want Adam to see that I have passed you beyond," she gasped. "We are existing but one minute in the future. Always Adam and I have feared to pass too far beyond the sweetness of reality. But now, so that Adam may not see us, we shall step five minutes into what-is-yet-to-be. And even he, with all his power, cannot see into a future that is more distant than that in which he exists." She raised her humid lips to his. "Come, beloved."