After repeated fire incidents, TGPCB orders closure of building at Premier Explosives | Hyderabad News

Hyderabad: The Telangana Pollution Control Board (TGPCB) has ordered the closure of the production building at Premier Explosives Ltd in Peddakandukur village of Yadadri Bhuvanagiri district, and directed disconnection of power supply to the unit after concluding that the company had failed to take adequate measures to prevent fire and explosion accidents.The order, issued on…

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In 1940, a scientist testing a cracked silicon slab uncovered a hidden effect that helped build modern electronics

In 1940, a cracked silicon crystal at Bell Laboratories led Russell Ohl to discover the p-n junction, a pivotal moment for electronics. Strange current jump on a fractured piece of silicon opened the door to solar cells. Image credit – Wikimedia In 1940, a cracked silicon crystal at Bell Laboratories led Russell Ohl to discover…

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