A cure for the memory crisis? John Carmack envisions
John Carmack has aired an idea to effectively use fiber cables as ''storage'' rather than conventional RAM modules, which is a particularly intriguing
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Scientists Turn Fiber Optic Cable Into Working Brain
A research team from NTT Inc., Kyushu University, and the University of Tokyo has done that, building a working neural network that performs computations as light pulses travel through 20
Why Fibre Optic Prices Have Increased in 2026
If you have priced fibre optic cable in the last six months and been surprised by what you found, you are not alone. From late 2025 into 2026, global fibre optic prices have increased sharply and across the
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Carmack''s Light-Speed Memory: The 200-KM Fiber Loop and the AI
We trace the history of delay-line memories, explain how light-speed data flow could slash energy costs, and look at parallel flash approaches like the augmented memory grid.
Photonics Is Becoming the New AI Bottleneck AI clusters are limited
Sergey (@SergeyCYW). 186 likes 9 replies. Photonics Is Becoming the New AI Bottleneck AI clusters are limited by how fast data moves between GPUs, racks, data centers, and memory
John Carmack proposes fiber-optic loops as high-speed
Commenters quickly connected Carmack''s speculation to delay-line memory, a mid-20th-century technique that stored information as pulses traveling
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John Carmack''s Radical Idea: Using Fiber Optic Loops
While a full-scale fiber loop memory system may not be immediately feasible, the discussion highlights a critical bottleneck in AI development: memory
AI infrastructure stocks Lumentum, Celestica, Seagate beat
Makers of memory, storage, fiber-optic cables, central processors and other types of enterprise hardware have rocketed in valued this year, driven by excitement around the AI craze.
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Small Form-factor Pluggable Small Form-factor Pluggable connected to a pair of fiber-optic cables Small Form-factor Pluggable (SFP) is a compact, hot-pluggable
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Light travels down a fiber-optic cable by bouncing repeatedly off the walls. Each tiny photon (particle of light) bounces down the pipe like a bobsleigh going down an ice run.
[2309.17066] Optical fibres with memory effects and their quantum
In this paper we introduce a model of optical fibre that can describe memory effects for long transmission lines. We then solve its quantum capacity, two-way quantum capacity, and secret
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John Carmack Explores Fiber Lines as AI Cache Alternative :
A recent discussion sparked by legendary programmer John Carmack proposes using fiber optic cables as an alternative to traditional DRAM for AI streaming. This bold idea raised
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