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Maker Creates DIY Memory Using Ancient Apollo-Era Tech

WireByte Staff · July 5, 2026

Polymatt, a maker and DIY enthusiast, has created a USB drive using 64 bits of magnetic core memory, reminiscent of the Apollo spacecraft guidance computers. The device was made using salvaged Russian computer parts and hand-threaded magnetic rings. This DIY solution comes as the world grapples with the RAMpocalypse, a shortage of computer components.

Key points

  • Polymatt, a maker and DIY enthusiast, created a USB drive using 64 bits of magnetic core memory.
  • The device was made using salvaged Russian computer parts and hand-threaded magnetic rings.
  • The magnetic core memory is inspired by the Apollo spacecraft guidance computers.
  • The DIY solution comes as the world grapples with the RAMpocalypse, a shortage of computer components.
  • The device has 64 iron rings, hand-threaded and immersed in silicon oil, providing 8 bytes of total storage capacity.

The RAMpocalypse, a shortage of computer components, has led to a surge in DIY solutions. Polymatt, a maker and DIY enthusiast, has taken this trend to the next level by creating a USB drive using 64 bits of magnetic core memory. This ancient technology was used in the Apollo spacecraft guidance computers.

Polymatt's device was made using salvaged Russian computer parts and hand-threaded magnetic rings. The process involved a combination of traditional craftsmanship and modern technology, including a Bambu Lab A2L 3D printer. The result is a unique device that not only provides a glimpse into the past but also serves as a testament to the ingenuity of makers and DIY enthusiasts.

While the device may not be the most practical solution to the RAMpocalypse, it is a fascinating example of how people are finding creative ways to overcome the shortage of computer components. As the world continues to grapple with this issue, it will be interesting to see how other makers and DIY enthusiasts respond.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.