LED Lights Are Ruining Laundry Detergent's White-Brightening Trick

LED lighting is great. The right bulb gives the same warm incandescent glow you love from a fraction of the energy. But there's a downside: while LEDs make cities look awesome, the most common type of LED lighting dims the ultraviolet trick laundry detergents use to make white clothes look whiter. The future is… » 4/19/14 6:00pm 4/19/14 6:00pm