"T here is no doubt of it!" The little chemist pushed steel-bowed spectacles up on his high forehead and peered at his dinner guest with excited blue eyes. "Time will come to an end at six o'clock this morning." Jack Baron, young radio engineer at the Rothafel Radio laboratories, and protégé of Dr. Manthis, his host, laughed heartily. "What a yarn you spin, Doctor," he said. "Write it for the movies." "But it's true," insisted the older man. "Something is paralyzing our time-sense. The final s