Crafts DIY on MSN17 小时
Surprising LED Bulb Transformation with a DC Motor Inside
Don't throw that old LED bulb away! This video shows how to transform it into a free energy LED light bulb using just a DC ...
来自MSN1 年
What's the Difference Between Soft White vs. Daylight Bulbs?
When to Use Daylight (and Cool White ... (According to the EPA, if every U.S. home switched out one bulb with an LED bulb, the nation would save about $580 million in energy costs.) ...