Novel hydrogels can safely remove graffiti from vandalized street art

Article URL: https://arstechnica.com/science/2021/04/novel-hydrogels-can-safely-remove-graffiti-from-vandalized-street-art/

Comments URL: https://news.ycombinator.com/item?id=26851429

Points: 30

# Comments: 18

from Hacker News: Front Page https://ift.tt/32ooQjM
via