Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Energy-efficient bulbs (also known as compact fluorescent lightbulbs – CFLs – work in the same way as fluorescent lights. An electric current passes through gas in a tube, making the tube’s coating glow brightly. But they fit directly into your existing light socket and can therefore be used as direct replacements for ordinary bulbs.
