3M unveils light bulb with 25-year lifespan

Minnesota-based 3M Co. has developed what it says is a better LED light bulb, and its first-ever consumer bulb, the Pioneer Press reports. The high-tech bulb boasts a 25-year lifespan (at three hours of use per day) and carries a $25 price tag. It's due in stores in August.
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Minnesota-based 3M Co. has developed what it says is a better LED light bulb, and its first-ever consumer bulb, the Pioneer Press reports. The high-tech bulb boasts a 25-year lifespan (at three hours of use per day) and carries a $25 price tag. It's due in stores in August.

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