Have you ever seen someone on a bike go by you, only to realize that the wheels looked empty? You know that bike wheels have spokes on them, but when they move, they quickly disappear and blur together. There’s a reason this happens, and it’s actually pretty cool.
Stop robocalls for good with Kim’s 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.