Kill A Watt Power Meter

I use this Kill A Watt meter to measure any device I have electricity questions about.  I also use it to measure total system power usage and even to track cost over time. For the price, a Kill A Watt meter eliminates so many questions and has even given me some answers I didn't know the questions to yet!... Continue Reading →

Spectrometer

  This is my Project STAR spectrometer.  It was very inexpensive. I  use it for examining the color of different lights inside and outside.  (Don't look directly at the sun through this device – or anything else!) It works by taking in light via the small opening at the upper-right. The light bounces off the diffraction... Continue Reading →

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