UpworthyThese 9 handwritten notes from students to their teachers will break your heart. Facebook Prev Article Next Article Read more: http://www.upworthy.com/these-9-handwritten-notes-from-students-to-their-teachers-will-break-your-heart?c= Facebook Prev Article Next Article Related Posts 29 simple acts of kindness that might just turn someone’s whole day around. A vending machine. That eats trash. And makes phone cases. Invented by teens. Elon Musk’s energy company is making glass shingles that double as solar panels. 7 amusing comics show what dating looks like versus being in a serious relationship. How do you make a young doctor really understand what it’s like being 74? Virtual reality. The last war in the entire Western Hemisphere has just ended.