What Are The Best Materials for Making DIY Masks?

Update May 11th: Hundreds of people have requested data on more materials for making DIY masks. Consider supporting our open-data tests on Fundly.com, where you can vote for what materials we should test. With masks sold out during the coronavirus outbreak, many people will have to make do with what some scientists have called “the … Continue reading What Are The Best Materials for Making DIY Masks?