"Hydrogels, unlike other types of modern WDs (foam, films, hydrocolloids), have positive degradation properties that makes them the perfect choice in applications where a targeted delivery of bioactive substances to the wound is required."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8472341/
>>19318560
https://airbornescience.nasa.gov/aircraft_detailed_cal
https://airbornescience.nasa.gov/tracker/