@biden_worldnewsA Japanese team has created eco-fireworks that ditch the long-lasting debris. The shells are water-soluble and can dissolve in as little as one day, while standard casings hang around for roughly half a year. #Science

@biden_worldnewsA Japanese team has created eco-fireworks that ditch the long-lasting debris. The shells are water-soluble and can dissolve in as little as one day, while standard casings hang around for roughly half a year. #Science