India just did something the rest of the world hasn't. On June 26 at Kalpakkam, we switched on the world's first plant that makes hydrogen from nuclear heat. Not electricity. Heat. Built at home. Here's why that's a bigger deal than it sounds Everyone's chasing "green hydrogen" right now. The usual way is electrolysis: use electricity to split water into hydrogen and oxygen. Works, but it's expensive and only as clean as the electricity you feed it.