bsolar

Here’s a tip for a smarter, cleaner world!
Obsolete light bulbs only use about ten percent of the electricity to make light.
90 percent is lost as heat.
They produce heat rather than light, because they are based on a glowing filament made of tungsten.
So buy modern LEDs that use almost all of the electricity to make light. A good LED needs about a tenth of the electricity to produce the same amount of light.
And because it does not heat up so much, it lasts much longer!

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