“In alkaline situations, high amounts of hydroxyls (OH) in soil can strip hydrogen (H) away from ammonium (NH4) to make water (H2O) and ammonia (NH3),” Ferrie says. “In slightly acidic ...

Research on millimeter interferometry and frequency independent feeds and receivers. He was a co-discoverer, with Charles Townes, of interstellar NH3 and H2O; Director of UCB Radio Astronomy ...