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A New Era for Mobile Phones and Drones? Australian National University Develops Miniature ...

Artistic rendering of the Huygens multilayer superlens design.

UPSC Essentials | Mains answer practice — GS 2: Questions on single transferable vote ...

Are you preparing for UPSC CSE 2026? Here are questions from GS paper 2 for this week with essential points as the fodder for ...