Wreckage and ruined buildings in Warsaw, Poland following the end of World War 2. Destroyed Warsaw streets with damaged buildings. Rubble and devastation everywhere. Damaged churches. A sign "Adolph Hitler Platz". A wrecked streetcar in foreground. A sign in German on a trolley car. Views of damaged monuments. Rubble everywhere. Polish natives. Warsaw inhabitants march back to their ruined city. A Russian Red soldier embraces his sister. Soviet Army color guard march through crowds in Warsaw. View of a Polish Army officer. The cheering crowd. A Polish girl in the crowd. Red army troops pass through the crowds. Ruined buildings in background. Soviet Russian planes fly over the city.
Professor Pierre Joliot tests uranium disintegration in Columbia University, New York. Joliot uses Geiger-Muller counter and notes down the readings. He controls the voltage. Joliot uses Geiger-Muller counter with a standard uranium source as placed on GM tube and take it off. A voltage control equipment is shown.
At start, film shows Dr. Leo Szilard (inventor of the cyclotron) standing in front of a cyclotron in the Pepin Physics Laboratory of Columbia University. He is studying some documented research results. Dr. George Pegram, Chairman of Columbia's Physics Department, enters and converses with Szilard. They review the research data together. Pegram leaves, and Szilard continues to review data. He holds a stop watch and enters some numbers in his journal. Dr. Pegram returns and they again look at the data. Closeup of the two reviewing data and conversing. Repeat of Szilard with stop watch, entering data. Closeups of Szilard speaking to Pegram (unseen). Closeup of Dr. Pegram, talking about the research results. (These repeated scenes are obviously retakes.) Closeup of Szilard's hand starting a stopwatch. Horizontal line and brief vertical lines also displayed on an oscilloscope.
Dr. George Pegram explains the military possibilities of uranium fission in Columbia University in New York. He calls navy department on phone telling them that Dr. Fermi will call on them to explain the military possibilities of uranium fission. Views of a telephone. Studio reenactment : (Navy Commander Office) Scientist leaves the office after an interview with a commander and a Lieutenant. The navy commander thanks the scientist and asks that be kept informed. View of the scientist. The navy commander says good day to the scientist.
View of the U.S. Navy P2V-1 (BuNo 89082) on the RAAF Base Pearce, Perth, Australia. The Turtle logo painted on its fuselage. The aircraft at the end of the runway commencing its takeoff roll, and then being boosted into the air as 4 JATO (Jet assisted takeoff) bottles ignite. Dark smoke from the JATO bottles is clearly visible.
Parisians on bicycles in Paris, France. Two girls ride bicycles on Paris street. Group of Parisians on bicycles. Parisians ride bicycles on busy streets. Woman travels on bicycle. U.S. soldier at the back. Two women on a bicycle. Woman travels on a bicycle with a dog at the back. Man rides a bicycle carrying a musical instrument. Mass of bicyclists wait for the vehicles to move and then pass. Man on a bicycle with girl seated behind him. Two men on a bike. Mass of bicyclists coming down a street. Policemen in the foreground. Bicyclists and U.S. soldier on velo taxi. Bicyclists on a street. Crowd in front of a building. Sign in back: 'Monde Libre'. Mass of parked bicycles. Parking space for bicycles.