At 8:14 a.m., Hiroshima was a city in motion. One minute later, light arrived before sound. This evidence-led documentary follows thirteen-year-old Naoko Oda through the first minutes after the atomic bombing, using survivor testimony, official records and public-domain archive film.
We trace the forty-three-second fall, the airburst, the flash, the pressure wave, the collapse of rescue systems, the desperate search for water, black rain and the consequences survivors carried for decades. One short passage uses the original English narration from a verified U.S. Strategic Bombing Survey film and is clearly labelled on screen. One reconstructed scene is also explicitly disclosed.
This video discusses wartime death, injury and radiation in a respectful, non-graphic educational context.
00:00 Hiroshima’s last ordinary minute
00:22 Welcome to Across Timme
00:33 Naoko’s morning
01:16 Enola Gay above Hiroshima
01:37 Forty-three seconds
01:56 Blast, heat and radiation
03:34 When rescue systems collapsed
05:03 Invisible radiation and black rain
06:24 Fifteen kilotons, human cost
07:38 The lifetime after the flash
08:21 Begin with the people
Sources: Hiroshima City; Hiroshima Prefecture; Radiation Effects Research Foundation; U.S. National Park Service; U.S. Department of Energy; U.S. Strategic Bombing Survey; Wikimedia Commons public-domain U.S. Navy footage. Full source, licence and reconstruction disclosures are included in the production package.
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