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Long-form documentaries from The Obscura Files, newest first. Every file opens on YouTube.

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  • Illustrated thumbnail: a nervous scientist holds two halves of a metal sphere apart with a screwdriver, beside the words “One slip.”

    No. 0121946 · Los Alamos, New Mexico

    The Only Thing Holding It Apart Was a Screwdriver

    In 1946, physicist Louis Slotin held two halves of a plutonium sphere apart at Los Alamos with the blade of a screwdriver. When it slipped, the core went supercritical. The accident, the nine days that followed, and the safety changes it forced.

    Running time 5:38
  • Illustrated thumbnail: a teenage girl in torn clothes stands in the rainforest as an airliner breaks apart overhead, with the words “1 of 92.”

    No. 0111971 · Peruvian Amazon

    Her Plane Broke Apart. Then She Had to Survive the Amazon Alone.

    On Christmas Eve 1971, seventeen-year-old Juliane Koepcke fell from a disintegrating airliner over the Peruvian Amazon. She was the only survivor of LANSA Flight 508, and spent eleven days finding her way out of the rainforest alone.

    Running time 5:03
  • Illustrated thumbnail: a heeling seventeenth-century warship in rough water as onlookers point from the shore, with the words “They knew.”

    No. 0101628 · Stockholm, Sweden

    They Knew This Warship Could Sink. They Launched It Anyway.

    Weeks before her maiden voyage in 1628, Sweden's newest warship nearly capsized during a stability test. The Vasa sailed anyway, and sank in full view of Stockholm. Why did she go to sea, and why was no one punished?

    Running time 5:09
  • Illustrated thumbnail: three astronauts in a burning capsule reach for a sealed hatch, with the words “No way out.”

    No. 0091967 · Cape Kennedy, Florida

    The Apollo 1 Fire: 3 Astronauts Trapped Before Launch

    During a routine countdown test on January 27, 1967, fire broke out inside Apollo 1's pure-oxygen cabin, and Gus Grissom, Ed White and Roger Chaffee could not open the hatch. The final minutes, the investigation, and the redesign that followed.

    Running time 5:53
  • Illustrated thumbnail: survivors crowd onto an overturned lifeboat as Titanic sinks behind them, with the words “No room for one more.”

    No. 0081912 · North Atlantic

    They Survived the Titanic on an Upside-Down Lifeboat

    As Titanic sank, nearly thirty men balanced through a freezing night on the overturned hull of Collapsible B, deciding whether anyone else could climb aboard without rolling it over. Drawn from inquiry testimony and survivors' accounts.

    Running time 4:41
  • Illustrated thumbnail: a miner shelters by lamplight in a tunnel beneath a mine-shaft cage, with the words “21 still alive.”

    No. 0071909 · Cherry, Illinois

    The Rescuers Died. 21 Trapped Miners Didn't.

    In November 1909, a fire trapped hundreds of men inside the Cherry Mine in northern Illinois. Twelve rescuers died trying to reach them. Twenty-one miners survived seven days behind a makeshift wall deep underground.

    Running time 3:58
  • Illustrated thumbnail: a man lies pinned beneath rock in a narrow cave passage, with the words “Trapped below.”

    No. 0061925 · Sand Cave, Kentucky

    One Rock Trapped Him Deep Inside a Cave

    In January 1925, a 27-pound rock pinned Floyd Collins's ankle sixty feet underground in Sand Cave, Kentucky. The rescue attempt became one of America's first great media spectacles, and one of its first great tragedies.

    Running time 5:32
  • Illustrated thumbnail: a burning brick factory building with a figure on its fire escape, with the words “No way out?”

    No. 0051911 · New York City

    146 Died in This Factory Fire. Could You Escape?

    A minute-by-minute account of the 1911 Triangle Shirtwaist Factory fire, following the four possible escape routes from the ninth floor of the Asch Building, why each one failed or barely worked, and the trial and reforms that followed.

    Running time 6:28
  • Illustrated thumbnail: a Roman legionary with a red shield stands in a battle line under falling spears, with the words “Would you survive?”

    No. 004Ancient Rome

    Could You Survive a Roman Legion?

    A single day in the life of a Roman legionary: the marching loads, the fortified camp built every night, the discipline, and the shield wall in battle, drawing on what Polybius, Vegetius and Tacitus recorded.

    Running time 5:50
  • Illustrated thumbnail: a stoker beside open furnaces as seawater floods into a ship's boiler room.

    No. 0031912 · North Atlantic

    Why Titanic’s Boiler Room Crew Never Stood a Chance

    Sixty feet below the first-class decks, Titanic's firemen and trimmers worked in coal dust and furnace heat. The heat, the shifts, the hierarchy and the collision itself, as described by men who were there, including Leading Fireman Frederick Barrett.

    Running time 8:38
  • Thumbnail: four sepia-toned portraits beneath the headline “The promise Kansas never kept.”

    No. 0021873–1889 · Kansas and Michigan

    They Caught The Wrong Family... And Called It Justice

    Sixteen years after the Bender family vanished from Kansas, two women were arrested in Michigan and accused of being Kate Bender and her mother. Part 2 follows the manhunt, the bounty, and a wrongful arrest.

    Running time 18:16
  • Thumbnail: a dim, empty inn room with a chair, a table and an oil lamp, with the words “They never got up.”

    No. 0011873 · Labette County, Kansas

    The Inn Where Guests Never Got Up Again

    In 1873, travelers who stopped at a small roadside inn in Labette County, Kansas began to disappear. Part 1 of the Bloody Benders: the family, the inn, and the search party that finally uncovered what had happened.

    Running time 11:36
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