Tue Sep 16 05:37:41 UTC 2025: Here’s a news article summarizing the provided text, written from the perspective of The Hindu:
**The Hindu: Science For All**
**Ice’s Hidden Electrical Property Could Unlock Lightning Mystery**
**New Delhi, September 16, 2025, 11:15 am IST** – A groundbreaking study published in *Nature Physics* has revealed a previously unknown electrical property of ice, potentially revolutionizing our understanding of thunderstorm electrification and providing crucial insights for meteorology, aviation safety, and climate science.
For over a century, scientists have struggled to explain how colliding ice particles in thunderclouds generate the massive electric fields that lead to lightning. Traditional models have fallen short, leaving the mystery largely unsolved.
Now, researchers from China, Spain, and the US have demonstrated that ice, specifically its common hexagonal form (ice Ih), exhibits flexoelectricity – the ability to generate an electrical charge when bent or deformed. While ice isn’t piezoelectric (generating electricity when squeezed), the study shows that it can produce a significant electrical polarization when subjected to strain gradients.
The team conducted experiments, creating “ice capacitors” and using a dynamic mechanical analyzer to flex the ice while measuring electrical charges. These experiments, alongside quantum mechanical simulations, confirmed that ice is indeed flexoelectric. The measured flexoelectric coefficient was comparable to some ceramics.
The implications for understanding thunderstorms are significant. The researchers developed a theoretical model of ice-graupel collisions, showing that flexoelectricity could account for the range of charges observed in laboratory studies. The model also explains the perplexing charge polarity reversals observed in storm clouds.
“This discovery adds a crucial piece to the puzzle of thunderstorm electrification,” explains Dr. Ramya Kannan, science writer for The Hindu. “While other factors contribute, the universal nature of flexoelectricity means it’s a robust and consistent contributor to the process.”
This finding may transform our understanding of ice and its role in atmospheric phenomena. The revelation that a snowflake, under stress, can act as a tiny generator sheds new light on the intricate dance of storm clouds and the generation of lightning. It is a surprising find that even the most familiar material, water ice, still hides surprises. This research could have significant implications for understanding weather patterns, predicting lightning strikes, and assessing the impact of climate change on atmospheric chemistry.
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