7 Aug 2025 (Punjab Khabarnama Bureau) Indian aerospace startup Agnikul Cosmos has achieved a breakthrough by developing a one-meter-long rocket engine created entirely via 3D printing from Inconel superalloy—free of any welds or joints. The innovation promises faster, more reliable manufacturing and marks a major leap in India’s additive manufacturing capabilities. The company has also secured a U.S. patent for the design.
Climate clues from Antarctica: Fragile shells and a booming wildlife comeback
Researchers retracing parts of Scott and Shackleton’s Antarctic path found that modern sea urchins have far more delicate shells—likely due to ocean acidification. At the same time, melting ice has led to a surprising surge in marine life, such as whales and starfish, though scientists warn of long-term risks from climate shifts. The Guardian
Perseid meteor shower to electrify skies on August 12–13
One of the most anticipated celestial events of the year will peak next week. Despite a bright waning gibbous Moon, observers could see up to 100 meteors per hour under clear, dark skies. The article includes viewing tips for amateur stargazers and photographers alike
Rare stone tools suggest early hominid migration over 1 million years ago
Archaeological finds from Sulawesi, Indonesia, hint that a Homo species—potentially arriving on the island more than a million years ago—left behind tools that predate “hobbit” ancestors. This discovery could reshape understanding of early hominid migration patterns.
130‑foot asteroid makes close pass by Earth today
NASA has confirmed that asteroid 2025 OT4, roughly 130 feet in diameter, is flying past Earth today. The space rock poses no danger but serves as a reminder of our planet’s cosmic neighborhood.