Thousands of dead satellites and chunks of debris in orbit are a threat to active satellites, but rockets that launch clouds of talcum powder may prevent a disastrous collision
Source:
https://www.newscientist.com/article/2239992-rockets-armed-with-talcum-powder-could-stop-deadly-space-junk/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home