Chapter XVIII Triumphant Feat of Orion
Description of a tunnel through the center of Holen, a globe 500 miles in diameter. Illustration of passenger car used. Its operation explained.
Chapter XIX The Mute World
Muteites have no audible language. They converse by pure thought transmission, and no one can conceal evil thoughts. When a Muteite criminal is brought before a Court of Justice the doors of his soul are unlocked so that all past thought-images, photographed on the sensitive living plates of his mind, are thrown open to view. No hypocrisy, no conventional lying.