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The Weakest Assumption is a documentary podcast about the hidden decisions, overlooked warnings, and engineering assumptions that existed long before complex systems finally failed.Each episode reconstructs a real failure involving...
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The Weakest Assumption is a documentary podcast about the hidden decisions, overlooked warnings, and engineering assumptions that existed long before complex systems finally failed.Each episode reconstructs a real failure involving aircraft, bridges, spacecraft, machines, software, infrastructure, or industrial systems. Instead of stopping at the broken component, the investigation goes deeper into design choices, materials, testing, maintenance, human factors, and the safeguards that were supposed to prevent disaster.Because major engineering failures rarely begin at the moment something breaks.They often begin much earlier, with an assumption that seemed reasonable, a warning that appeared harmless, a test that passed, or a risk that gradually became accepted.The Weakest Assumption follows the evidence backward to uncover the invisible chain behind failure, and the engineering lessons that changed what came afterward.
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Episodi & Post
Episodi
Post
Trascritto
17 AGO 2026 · When the Tacoma Narrows Bridge collapsed, the wind was not remotely close to the static wind pressure the structure had been designed to resist.
That is what makes the disaster so important.
The bridge did not simply encounter a force that was too large. Its long, narrow, unusually flexible deck began interacting with moving air in a way engineers of the period did not yet understand well enough. What began as familiar vertical movement transformed into violent twisting, and the bridge entered an aerodynamic instability capable of feeding energy into itself.
The failure would permanently change how engineers think about bridges, wind, and a dangerous assumption: surviving a static load does not mean a structure is stable inside a moving fluid.
Trascritto
17 AGO 2026 · On its maiden flight, Ariane Five rose normally from French Guiana. The engines were working. The boosters were working. The launcher followed its expected path.
Then, less than a minute into the flight, both inertial reference systems stopped providing usable guidance information. The vehicle suddenly commanded extreme nozzle movements, veered away from its trajectory, broke apart, and was destroyed. ESA's investigation traced the failure not to the rocket engines, but to software inside the inertial reference system and to testing that had failed to represent the real Ariane Five flight environment.
The deeper story is about something more subtle: software inherited from an earlier launcher, a function that was useful before liftoff but unnecessary afterward, a numerical value that exceeded the range expected by the software, and two redundant computers vulnerable to exactly the same assumption.
Trascritto
17 AGO 2026 · Inside the atrium of the Hyatt Regency Hotel in Kansas City, three suspended walkways seemed to float above the lobby. They were elegant, visible, and supported by a system that looked remarkably straightforward.
Then two of them fell.
The investigation eventually focused on a small structural connection between steel box beams, hanger rods, nuts, and washers. But the deeper story was not simply about one connection breaking. It was about a design that was already weaker than it should have been, a construction change that made the critical condition worse, and a review process that failed to recognize what that change meant. The official investigation found insufficient capacity at the box beam hanger rod connections and identified the likely initiation point in a connection supporting the fourth floor walkway.
The Weakest Assumption is a documentary podcast about the hidden decisions, overlooked warnings, and engineering assumptions that existed long before complex systems finally failed.Each episode reconstructs a real failure involving...
mostra di più
The Weakest Assumption is a documentary podcast about the hidden decisions, overlooked warnings, and engineering assumptions that existed long before complex systems finally failed.Each episode reconstructs a real failure involving aircraft, bridges, spacecraft, machines, software, infrastructure, or industrial systems. Instead of stopping at the broken component, the investigation goes deeper into design choices, materials, testing, maintenance, human factors, and the safeguards that were supposed to prevent disaster.Because major engineering failures rarely begin at the moment something breaks.They often begin much earlier, with an assumption that seemed reasonable, a warning that appeared harmless, a test that passed, or a risk that gradually became accepted.The Weakest Assumption follows the evidence backward to uncover the invisible chain behind failure, and the engineering lessons that changed what came afterward.
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Informazioni
| Autore | Harvey Church |
| Organizzazione | Harvey Church |
| Categorie | Tecnologia |
| Sito | - |
| - |
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