Splitting wearables straps and cracking PVC leather gaming chairs could be prevented by applying UV filtering sprays to stop photodegradation

…polymer chains, produces free radical and reduces the molecular weight, causing deterioration of mechanical properties and leading to useless materials, after an unpredictable time. See https://www.sciencedirect.com/science/article/pii/S1658365514000880 #cracking #splitting #UV #^https://www.sciencedirect.com/science/article/pii/S1658365514000880…

Time for a refresh: Meet the new Google Classroom

…improving further. See https://www.blog.google/outreach-initiatives/education/time-refresh-meet-new-google-classroom/ #googleclassroom #education Time for a refresh: Meet the new Google Classroom The best school year starts with the best Classroom updates—just in time for back to…