You may have heard by now: the classic incandescent light bulb is on its way out. Because incandescent light bulbs are some of the least efficient on the market—wasting up to 90% of electricity as heat instead of light—they are being phased out of production and what’s on the shelves and in warehouses now is all that’s left.
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To read the original article: Halogen, CFL or LED Light Bulbs: What to Buy | TIME.com
