If you work on old equipment, you know that there’s always that tense moment when you first plug it in and turn it on. No matter how careful you have been, there’s some chance your garage sale find is ...
That light bulb’s not hot. He pulled out a 12-watt LED that had been lit for hours. It produces the same amount of light, or lumens, as a 60-watt incandescent bulb and offers energy savings as a ...
The other night just after dusk, I was driving and noticed a dark-colored car driving behind me in the same direction that didn't have its headlights on. It was difficult to see the car, except when ...
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