H-Bomb Fallout "Red China announces the explosion of an H-bomb and world scientists, particularly in Japan, speed air sample measurements for radioactive fallout. Tokyo tests show a steep increase in radiation but no human menace is predicted for the east or west atmosphere." LS busy Tokyo street scene, automobile traffic crossing screen. TLS pedestrians crossing street, male businessmen & women carrying umbrellas. L/a MS radar dish spinning. MS/CUs Japanese scientists working with collection of air samples in laboratory, testing for radiation levels. TLS wind station.