We are going to do a weird experiment with fluorescent lights today by trying to light them up, even though they will not be in a lighting fixture or connected to any electricity. It is a simple ...

In a common kind of fluorescent tube, a high voltage tears some electrons away from mercury vapor atoms—it's a brief pulse, so that mostly certain electrons and their band of transition energies are ...

Compact fluorescent light bulbs, long touted by environmentalists as a more efficient and longer-lasting alternative to the incandescent bulbs that have lighted homes for more than a century, are ...

In December 2022, the President Joe Biden's administration proposed a new rule that, if enacted, would nearly triple the current minimum light bulb efficiency level of 45 lumens per watt to over 120 ...

Families and businesses in Hawaii, Colorado, Oregon, Rhode Island, and Maine will save $2 billion in utility bills by 2050 and have reduced risk of mercury exposure, thanks to new laws that phase out ...

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The Biden administration is unveiling a new proposed rule that, if enacted, would effectively phase out compact fluorescent light bulbs and move the US light bulb markets decisively to more ...