Do TVs Lose Brightness Over Time?
Do TVs get dimmer with age? How long LED and LCD screens last, why a picture goes dark, and the brightness settings that look good and last longer.
Vacuums, Hairdryers, TVs and Other Home Appliances
The rest of the house: cleaning, personal care and entertainment appliances.
Why Do Hairdryers Have a Cold Setting?
What the cold shot button on a hairdryer is for, whether drying with cold air is better for your hair, and if cold air can set or straighten a style.
Why Do Vacuum Cleaners Lose Suction?
Why a vacuum cleaner loses suction, how to restore it by clearing filters and hoses, when a repair is worth it, and how long a vacuum should last.