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Tech Brief - 18 July 2025 - An 8-bit pixel art image showing a mix of retro and modern technology elements like a modem, subsea cables, and a supercomputer, with the global digital impact symbolised by a pixelated globe in the background.

Tech Brief 18 July 2025: subsea cables, hydropower, supercomputers

18 July 2025 Sophie Calder 1

Tech Brief – 18 July 2025 examines digital infrastructure’s evolution, highlighting today’s tech as both a technical marvel and a geopolitical battlefield. It covers everything from internet cables to powering AI centres.