Christian Nguyen: This car lights up with something called LumiLor. It's not LED light, but paint. And not just glow-in-the-dark paint, but a special kind of paint that turns on and off by ...

Mix equal parts water and white vinegar in a spray ... a glow-up said: ''Thanks for the tip - we can't afford to retile our horrendous pink tiles in the bathroom, so will give this paint a try ...