UPSC CURENT AFFAIRS 23 MAY 2026

The current affairs article highlights major developments across cyber security, agriculture, health, science, economy, and biodiversity. It discusses the growing threat of cyber warfare and the absence of strong international legal mechanisms to regulate state-sponsored cyberattacks. The article also covers ICAR’s ‘Khet Bachao Abhiyan’ promoting balanced fertilizer use and sustainable farming. India’s declining birth and …

Thermal Energy Storage (TES) Systems

Source: PIBSubject: Science and Technology Context: Researchers at the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) announced the development of a low-cost, high-performance spinel nanocomposite Phase Change Material (PCM). Thermal Energy Storage (TES) Systems About Thermal Energy Storage (TES) Systems: What it is? A Thermal Energy Storage (TES) system is an …