When we think about technological innovation, typically we think of computers or space travel. But one thing we tend to overlook is the humble mirror. While we’ve been looking at our reflections on polished surfaces for millennia, the fact that we can see our exact appearance is astounding when you think about it. And one man took this wonder to a whole new level with mechanical mirrors. You have to see them to truly understand why they’re so cool.
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.