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Datacentre waste heat stored in concrete as 500-degree thermal battery emerges

A concrete-based thermal battery has been developed to store heat that was previously discarded during datacentre cooling and reuse it later. The system collects waste heat from servers and can supply it to cooling equipment and industrial processes, aiming to improve energy efficiency. A prototype stores 150 kWh, withstood temperatures up to 500 degrees and achieved more than 70 percent efficiency in a full charge-discharge test. The technology is moving toward commercialisation.

AI & Enterprise

Cisco unveils new chip and optical modules to ease AI datacentre network bottlenecks

Cisco has unveiled a new chip and optical modules designed to ease network bottlenecks in AI data centres. At the Open Compute Project Global Summit, it presented open silicon and optical networking systems and outlined a “scale-across” architecture to link distributed AI data centres. Cisco also introduced an ultra-high-density detachable optical module built with Nvidia and announced the Cisco 8001 out-of-band management system and a new SONiC version with Live Protect.

AI & Enterprise

Micron CEO says AI has fully changed memory industry, breaking boom-bust formula

Micron CEO Sanjay Mehrotra said the spread of AI is fundamentally changing the memory industry’s business structure and breaking the old boom-and-bust pattern driven by pricing and oversupply. He said memory has become core infrastructure for AI systems, which require more capacity, higher performance and lower power. Micron plans to invest $250 billion in U.S. production and research and is building major facilities near Boise, Idaho.