Scientists create a ‘laundry gun’ that kills microbes on astronauts’ clothes without water, paving the way for Mars missions

• The prototype ‘laundry gun’ in action during a fabric treatment test.
• Astronauts heading on long missions to Mars could face a surprisingly ordinary problem: how to keep their clothes clean without wasting precious water.
• Scientists at the University of Alabama in Huntsville, working with NASA's Marshall Space Flight Center, have developed a small device that could offer a solution.