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Bad.Technology

The newspaper of record for things that went very wrong.

153 fails indexed
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30 of 153
Product Historical

Beauvais Cathedral: Medieval Engineers Build the Highest Gothic Vault Ever — It Collapses Twice

Construction of the Gothic choir at Beauvais Cathedral began in 1225 with a vault height of 48.5 metres — the highest ever attempted. In November 1284, twelve years after completion, the choir vault collapsed. Rebuilt with additional piers, it partially collapsed again in 1573…

Infrastructure Major Historical

Y2K: A Two-Digit Year Shortcut From the 1960s Costs the World $300 Billion to Fix in the 1990s

On 1 January 2000, the world held its breath as decades of two-digit year storage in software either triggered silent data corruption or — thanks to the largest coordinated software remediation in history — did not. The Y2K problem was a design decision made in the 1960s and…

Infrastructure Historical

Tacoma Narrows Bridge Collapses Four Months After Opening — Engineers Had Ignored Resonance Warnings

'Galloping Gertie', the Tacoma Narrows Bridge, opened on 1 July 1940 as the third-longest suspension bridge in the world. On 7 November 1940 — 129 days after opening — it entered a catastrophic resonant oscillation in a 68 km/h wind, developing a twisting motion exceeding 8…

Failed Projects

Masdar City: UAE's $22 Billion Zero-Carbon Smart City — 15 Years On, 5% Complete

Announced in 2008 with a target completion of 2016 and a budget of $18–22 billion, Masdar City was conceived as a car-free, zero-carbon settlement for 50,000 residents in the Abu Dhabi desert. Its centrepiece was a network of Personal Rapid Transit pods running in tunnels. By…

Infrastructure Major Historical

Soviet N1 Moon Rocket Explodes Four Times in a Row, Ending the USSR's Lunar Programme

The Soviet N1 rocket, the USSR's answer to Saturn V and intended to land cosmonauts on the Moon, failed all four of its launch attempts between 1969 and 1972. The second launch — on 3 July 1969, just 13 days before Apollo 11 — created one of the largest non-nuclear explosions in…

Automobile Major

Cruise Robotaxi Runs Over Pedestrian and Drags Her 20 Feet After Initial Collision

A Cruise autonomous vehicle struck a pedestrian in San Francisco who had already been hit by another car, then dragged her 20 feet while attempting a pull-over manoeuvre. Cruise initially failed to fully disclose the incident to the California DMV. The company's operating…

Legal Major Historical

Volkswagen Emissions Scandal: Software Detects Tests, 11 Million Cars Affected

Volkswagen equipped approximately 11 million diesel vehicles worldwide with software that detected when an emissions test was being conducted and switched to a low-emissions mode. In normal driving, the vehicles emitted up to 40 times the legal NOx limit. VW paid over $30…

Product Major Historical

Boeing 737 MAX MCAS Software Failure Kills 346 People in Two Crashes

Two Boeing 737 MAX crashes — Lion Air 610 in October 2018 and Ethiopian Airlines 302 in March 2019 — killed 346 people. The MCAS flight control system repeatedly pushed the nose down based on a single faulty angle-of-attack sensor, overriding pilots who were unaware the system…

Security Major Historical

Marriott Starwood: 500 Million Guest Records Stolen Over Four Undetected Years

Marriott disclosed that attackers had been present in Starwood's reservation database since 2014 — two years before Marriott acquired Starwood. By the time the breach was discovered in 2018, roughly 500 million guest records had been stolen, including 5 million unencrypted…

Defense Major

UK Ajax Armoured Vehicle: £5.5B Programme Harms Crews, Sits in Storage

The UK Ministry of Defence's Ajax armoured reconnaissance vehicle programme — contracted in 2014 for 589 vehicles at £5.5 billion — remained non-operational as of late 2021 after soldiers operating the vehicles during trials reported hearing loss, nausea, joint pain, and other…