I Used a Watt Meter to Save Money on My Electric Bill. It Was Weirdly Fun—and Enlightening.

For example, to get an accurate cost reading on a refrigerator, you’ll want to leave it connected to the meter for at least ...
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How to Make a Mini Generator 220v Using DC Motor

In this insightful and educational video, learn how to make a mini generator 220v using a DC motor. This step-by-step guide ...