This is amazing new research that might be a solution to control space pollution! Sounds fascinating, not only for reducing space junk, but also as an alternative non-combustion fuel. Although I'd argue that these precious metals could be used more wisely than ionised propulsion, it does open up a more commercially viable option to collect space junk and power future space travel.
South Australian super rocket key to deep space travel. A SPACE startup is planning to demonstrate technology for its metal-eating super rocket at the International Astronautical Congress in South Australia next month. Space congress inspires next generation of astronauts The economic reasons why Australia needs a stronger space industry Trash or treasure?