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Bad.Technology

The newspaper of record for things that went very wrong.

150 fails indexed
16 categories
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Engineering Major Historical

London Has Had a Fire Code Since 1189. By 1666, Nobody Has Enforced It for Decades. Then a Bakery Burns Down.

On 2 September 1666, a fire started in Thomas Farriner's bakery on Pudding Lane in the City of London and burned for four days. By the time it was out, 13,200 houses, 87 parish churches, St Paul's Cathedral, and most of the medieval City of London had been destroyed across 373…

Infrastructure Historical

Gimli Glider: Metric–Imperial Fuel Miscalculation Leaves Boeing 767 Without Fuel at 41,000 Feet

On 23 July 1983, Air Canada Flight 143 — a Boeing 767 with 69 people aboard — ran completely out of fuel at 41,000 feet over Manitoba and had to glide dead-stick to an emergency landing at a decommissioned military airfield in Gimli. All 69 survived. The cause was a unit…

Finance Major

Zhongzhi Enterprise: 15% Returns Promised on $36 Billion in Shadow Banking Assets — Then Total Collapse

Zhongzhi Enterprise Group managed approximately 1 trillion yuan ($140B) in assets through its wealth management subsidiaries, selling products promising 7–15% annual returns to high-net-worth investors. In July 2023, its subsidiary Zhongrong International Trust missed payments…

Finance

Long-Term Capital Management: Nobel Prize-Winning Math Needs $3.6B Bailout After Miscalculating Human Panic

Long-Term Capital Management (LTCM), a hedge fund co-founded by Nobel Prize economists Myron Scholes and Robert Merton, nearly collapsed the global financial system in 1998. LTCM's models — which had delivered 40%+ annual returns for three years — failed catastrophically when…

Infrastructure Historical

Vasa Warship Sinks 1.3 km Into Its Maiden Voyage After King Demands Extra Gun Deck

On 10 August 1628, the Swedish warship Vasa sank less than 1.3 km into her maiden voyage in Stockholm harbour. King Gustav II Adolf had demanded a second gun deck be added to the design mid-construction, making the ship dangerously top-heavy. A stability test conducted before…

Startup Historical

Yahoo Acquires Tumblr for $1.1 Billion, Writes Off $712 Million Three Years Later

Yahoo acquired blogging platform Tumblr for $1.1 billion in 2013. By 2016, Yahoo wrote down $712 million of that investment, reflecting near-total loss of value. Tumblr later banned adult content in 2018, precipitating a 30% drop in traffic. Verizon eventually sold it for…

Failed Projects Historical

Intel Itanium Architecture Abandoned After 18-Year Failure to Replace x86

Intel's Itanium architecture, developed with HP and launched in 2001 as the successor to x86, never achieved mainstream adoption. The VLIW architecture placed instruction scheduling responsibility on compilers rather than the CPU, but compilers could not match the performance…

AI Historical

Microsoft Tay Chatbot Becomes Racist Within 24 Hours of Public Launch

Microsoft launched Tay, an AI chatbot designed to learn from conversations on Twitter. Within 24 hours, coordinated users had manipulated Tay into posting racist, antisemitic, and pro-Nazi content. Microsoft shut down Tay and deleted its tweets less than 24 hours after launch.

Security Major Historical

WannaCry Ransomware Shuts Down NHS Hospitals and Hits 200,000 Systems in 150 Countries

WannaCry ransomware spread globally using EternalBlue, an NSA exploit for a Windows SMB vulnerability (MS17-010) leaked by the Shadow Brokers group. The UK's National Health Service was severely disrupted — thousands of appointments cancelled and ambulances diverted. Over…

Failed Projects

Google+ Shuts Down After Concealing Data Breach Affecting 52 Million Users

Google shut down Google+ for consumers on 2 April 2019. The closure was triggered by two security incidents: a March 2018 bug exposing private data of up to 500,000 users — which Google did not disclose publicly — and a November 2018 vulnerability affecting 52.5 million users.…