Home News 8 Surprising Cases of Outdated Tech in Modern Use

8 Surprising Cases of Outdated Tech in Modern Use

Author : Stella Update:May 23,2025

We often upgrade our technology every few years, from the latest smartphones to new processors and graphics cards that can keep up with modern games. As a result, old hardware frequently finds itself resold or discarded. However, many of these outdated devices continue to function and play crucial roles in unexpected ways. Here are eight fascinating examples of how vintage technology still holds its ground.

Table of Contents

  • Retro Computers Mining Bitcoin
  • A Reliable Mechanic’s Assistant Since the '80s
  • Vintage Tech as a Bakery POS System
  • Outdated Systems Managing Nuclear Arsenals
  • Windows XP Powers Multi-Billion Dollar Aircraft Carrier
  • Critical Airport Infrastructure Fails Due to Legacy Software
  • Classic Hardware Used for Cutting-Edge Research
  • Nostalgia Keeps Old Systems Alive

Retro Computers Mining Bitcoin

Retro Computers Mining Bitcoin Image: x.com

An enthusiast showed that the Commodore 64, a computer from 1982, can mine Bitcoin. However, its 8-bit, 1 MHz processor manages only 0.3 hashes per second. For perspective, an RTX 3080 GPU processes 100 million hashes per second. At this rate, it would take the Commodore 64 approximately a billion years to mine one Bitcoin.

Similarly, a YouTuber named stacksmashing used a Nintendo Game Boy from 1989 to mine Bitcoin. By connecting it to the internet via a Raspberry Pi Pico microcontroller, he achieved 0.8 hashes per second, slightly faster than the C64 but still 125 trillion times slower than modern ASIC miners. Mining one Bitcoin with the Game Boy would take longer than the universe has existed.

A Reliable Mechanic’s Assistant Since the '80s

A Reliable Mechanic’s Assistant Since the '80s Image: x.com

In Gdansk, Poland, a Commodore 64C has been a trusted assistant to mechanics for over three decades. Despite surviving a flood, this computer continues to perform drive shaft calculations flawlessly. With its 1 MHz CPU and 64 KB of memory, the C64C runs custom software developed by the business owner, demonstrating that older technologies can sometimes outlast their modern counterparts.

Vintage Tech as a Bakery POS System

Vintage Tech as a Bakery POS System Image: x.com

In Indiana, a bakery has relied on a Commodore 64 as its point-of-sale (POS) system since the 1980s. Affectionately known as the "breadbox," this computer functions as an online cash register. Unlike modern POS systems that can be disrupted by software updates, the C64 remains dependable, requiring only updated keyboard labels for different baked goods.

Outdated Systems Managing Nuclear Arsenals

Outdated Systems Managing Nuclear Arsenals Image: x.com

The United States manages its nuclear arsenal using an IBM computer from 1976, which operates with 8-inch floppy disks that store about 80 KB of data—less than the size of an average instant message. While modernization plans are in place, the current system continues to be used due to its proven reliability.

Germany's naval fleet, specifically the Brandenburg-class frigates built in the 1990s, also employs 8-inch floppy disks. Despite being equipped with advanced weaponry, these ships rely on this outdated storage technology. Upgrades include installing floppy disk emulators, but nostalgia seems to keep the original system in use.

Windows XP Powers Multi-Billion Dollar Aircraft Carrier

Windows XP Powers Multi-Billion Dollar Aircraft Carrier Image: x.com

The British aircraft carrier HMS Queen Elizabeth, valued at billions, runs on Windows XP, an operating system unsupported since 2014. While the Royal Navy claims necessary security measures are in place, this reliance on outdated software raises concerns.

Similarly, Britain's Vanguard-class submarines, including Victorious, Vigilant, and Vengeance, use Windows XP for managing intercontinental missiles. These systems remain offline for security reasons, with no updates planned until 2028.

Critical Airport Infrastructure Fails Due to Legacy Software

Critical Airport Infrastructure Fails Due to Legacy Software Image: x.com

In 2015, Paris Orly Airport faced a significant issue when a computer running Windows 3.1, a 1992 operating system, crashed. The DECOR software, which provided pilots with essential weather data, malfunctioned, leading to flight suspensions for safety. Witty users suggested the computer might have been trying to upgrade to Windows 95.

Classic Hardware Used for Cutting-Edge Research

While not explicitly mentioned in the original text, classic hardware often finds new life in scientific research. For example, the Commodore 64 is used in educational settings to teach programming basics or simulate simple physics experiments. Its simplicity is perfect for understanding fundamental computing principles.

Nostalgia Keeps Old Systems Alive

Beyond practical applications, many organizations retain legacy systems due to habit or nostalgia. Whether it's maintaining compatibility with existing workflows or avoiding the costs of upgrades, these decisions highlight the enduring value of familiar tools.

These examples illustrate how outdated technology continues to play critical roles across various industries. From gaming consoles mining cryptocurrency to ancient computers guiding global defense systems, legacy tech proves remarkably resilient. While eventual upgrades may replace them, these devices remind us of the enduring value of simplicity and reliability.

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