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Discovery of magnetic iron ore reserve in Dinajpur Proper steps needed for commercial mining An iron ore sample from Dinajpur hangs in the air when attached to a magnet. Photo courtesy: Author He holds a piece of the rock sample and brings it near to a magnet bar. Instantly, the rock sample gets attached to the magnet and hangs on to it when the magnet bar is held up in the air. "This is magnetite ore, a magnetic iron-rich mineral valued worldwide for its content, and we have just discovered a big reserve of this mineral only 450 metres below the surface at Alihat, Hakimpur Upazila, Dinajpur,...

We can claim a fair number of inventions across the world. By Nicky Ryan Saturday 12 Dec 2020, 10:00 PM Dec 12th 2020, 10:00 PM 45,872 Views 22 Comments Image: Shutterstock Image: Shutterstock ALL GOING TO plan, there’ll be a welcome moment in the future when you get a Covid vaccine jabbed into your arm. And you’ll have an Irishman to thank: Francis Rynd, inventor of the hypodermic needle. He performed the first procedure using one in 18...