The CFL bulbs tend to be slightly more expensive but provide greater energy savings, up to 75 percent. But the spiral-shaped bulbs contain slight amounts of mercury, requiring that they be recycled, ...
Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. RELATED: Livermore’s 123-year-old Centennial Lightbulb glows up We ...
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