Olds College of Agriculture and Technology is assessing a machine that mimics lightning to create crop nutrients. The Thunder 365 allows farmers to make their own salt-free liquid fertilizer literally out of thin air. “The cost of fertilizers like urea and anhydrous ammonia has been extremely volatile, with prices peaking at historic highs in recent years,” said Angie Stoute, a research technician at Olds College. “If there’s a way to get that cost down, that’s a great thing.”