Dear EarthTalk: Can those energy-efficient compact fluorescent light bulbs that are popular now cause headaches because of the flickering they do? I converted my whole house over last fall and both my ...
The incandescent light bulb has been around since the late 1800s, but the venerable technology’s dominance seems just about over. On January 1, 2014, in keeping with a law passed by Congress in 2007, ...
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