Researchers in India have come up with a way to use abandoned coal mines for energy. They believe it will cost just $170 for one megawatt hour of electricity. That's less than half the lithium ion alternative. But these are mechanical contraptions that could break easily and costs may be prohibitive.
In today’s episode for 6th April 2023, we talk about KGF making a comeback. No, not the movie, but the actual gold fields that are just a couple of hours away from Bengaluru.