LEDs (light emitting diodes) are similar to regular light bulbs but have no filament. Their light is generated by electrons moving through a semiconductor material. They produce more light, less heat, and consume less energy than other types of lighting. Credit: NISTFrom Live Science:
You might have noticed energy-efficient LED lights replacing the traditional holiday bulb lights on many store shelves this year. They're not cheap, but the sales pitch is they save energy, cut the risk of fire and last practically forever.
By all accounts, LED lighting has a very bright future, and the future is arriving rapidly as utility companies tout the benefits of LEDs, and individuals and businesses make the switch both for environmental reasons and to save money.
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