by University of Johannesburg Light bulbs are a big upgrade from fires and candles. Every year, homes in informal settlements burn down in Africa because of fires used for heating and lighting. So electrical light bulbs with filaments brought about a revolution at home and work. Still, all these options...
Solved! How Long Do LED Lights Last?
Don’t assume that an LED will last exactly as long as the package claims when there are practical, environmental, and mechanical factors that can greatly influence the life of the LED light. By Timothy Dale Q: Lighting experts tout the longevity and potential money savings of LEDs, but is all...
