You may have heard of paint that can act as a blackboard, but this paint goes even further in technological innovation. With carbon particles inside the liquid, the paint is able to work as an electrical conductor, meaning it can be used for things such as light switches that don’t need to be flipped, or even be attached to computers as a sensor.
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.