When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

LED bulbs do last longer but those claims about five to 10 years are estimates based on internal testing -- and companies are always ... The LED, or light-emitting diode, is very unlikely to fail, and ...

The tl;dr is that if all you care about is picture quality, OLED is the way to go. If you want something extremely large (100 ...