EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Aug 30·5 min read
Cores in space: The core memory module from a 1980 Spacelab computer
TL;DR
The Spacelab computer utilized advanced magnetic core memory, featuring 128 KB of RAM, to support scientific experiments in space. This technology, developed in the 1980s, showcased high-density storage and reliability in a unique environment.
✦ Why It Matters
Consider exploring core memory technology for applications requiring nonvolatile and reliable data storage solutions.
Key Takeaways
- Investigate core memory for nonvolatile storage needs.
- Explore the benefits of 2½D architecture in memory design.
- Consider the use of diode matrices for complex wiring.
- Learn about the historical context of core memory development.
How It Works
Core memory uses tiny magnetic cores to store bits, magnetized in two directions to represent binary values. The innovative 2½D architecture allows for separate driver circuits for each bit, enhancing performance by simplifying the wiring process.