Festival-night PM2.5 and noise spikes strain hospitals and trap pollution under winter inversions; shifting to city-run public shows, green-only windows, and AQI triggers can cut neighborhood exposure (CC BY SA 2.0). Photo Source: Ashwin Kumar, Flickr

Fireworks Policy Fight: ₹7,000cr Industry And 3 Lakh Jobs Drive Calls For Government-Controlled Shows as Delhi AQI 400+

India’s Fireworks Dilemma: Should the Government Take Control? India’s Fireworks Dilemma: Time for Government Control? As cities choke on toxic air and hospitals overflow, the debate over public vs private fireworks intensifies Diwali fireworks paint Delhi’s skyline with light and smoke—the visual spectacle that costs the city dearly in air quality, with AQI levels jumping from 200 to 400+ within hours. Is the momentary celebration worth the weeks of respiratory distress that

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Cryo-XPS freezes lithium metal cells at −200 °C and keeps analysis near −165 °F to limit X-ray-induced changes, revealing a strong link between lithium oxide in the protective layer and better charge retention while correcting overestimation of lithium fluoride. Photo Source: Stanford Report — “New observation method improves outlook for lithium metal battery,” credit: Bill Rivard (All rights reserved).

Stanford Freezes Batteries To −200°C: Cryo-XPS Finds Real SEI Chemistry, LiF Overstated In Warm Tests

Battery Tech New Freezing Method Reveals True Chemistry of Lithium Metal Batteries Cryo‑XPS flash‑freezes cells before X‑ray photoelectron spectroscopy, preserving the lithium anode interface for a more faithful read‑out of surface chemistry. 📍 Stanford University • Source: Stanford News Feature image: Sample holder with an anode prepared for cryo‑XPS analysis. Credit: Ajay Ravi / Stanford.

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