We Could Harvest Electricity from Human Tears, This Is How It Works New research has found that an enzyme in tears can be used to generate electricity. Here’s everything you need to know. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Machine instantly crushes beer bottles into sand NASA Actually Helped Save The World — Here’s How This Animation Explains History’s Timeline Why Do We Dream? People’s First Reactions to Virtual Reality & XXX That Couldn't Just Be Coincidence!