Brief description
This work is well known for its early depiction of a video conferencing system, whereby a verisimilitude of a face is presented to the interlocutor as a face on a blue plate: "Then she touched the lighting apparatus, and the little room was plunged into darkness. “Be quick!” she called, her irritation returning. “Be quick, Kuno; here I am in the dark wasting my time.” But it was fully fifteen seconds before the round plate that she held in her hands began to glow. A faint blue light shot across it, darkening to purple, and presently she could see the image of her son, who lived on the other side of the earth, and he could see her. Later, "He refused to visualize his face upon the blue plate"