Author: Prof Rajeev Singh

Image Courtesy: Wikimedia Commons BIRTH ANNIVERSARY EXCLUSIVE: ACHARYA PC RAY (2 AUGUST 1861) Scene 1: Two people having a sherbet in a cold drink shop at Bankim Chatterjee Street, Calcut­ta, talking in a low hush tone. A bearded man draped in a shawl enters, orders a drink and goes inside. Scene 2: A plainclothes man rushes inside the shop, scans it. He finds all three missing and asks the person sitting at the shop counter about their where­abouts. The manager shakes his head nodding in the negative. The man turns around distastefully and goes away. Scene 3: Three people sitting…

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Matter is 75% Hydrogen, the most abundant chemical element in the universe. In the context of the planet Earth, Hydrogen is not a direct or a primary source of energy but is produced using a chemical reaction, that is, it is an energy vector. Hydrogen is used as raw material in various industrial or metallurgical processes and as fuel, with a rider that it cannot be obtained from nature in its pure state. This is a big rider and therefore the concept of green misses out, thereby limiting its mass uses. The very method utilized to obtain Hydrogen determines whether…

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