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False Science behind Zero Point Energy Wands
The zero point energy wand is a popular device that is said to have many…
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Efficiency of AC Rectifiers
Utility power enters the premises as alternating current, but equipment like computers and other devices…
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The Longley-Rice Propagation Model and TV White Space for Ultra WiFi
This article explains the essential concepts and assumptions of the Longley-Rice propagation model, which is…
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Working Wireless Power Transmission System Shown by Intel
Intel recently demonstrated a new ambitious plan of using wireless energy transfer in future devices.…
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Causes of Noise in Phase Locked Loop Circuits
A PLL is an electronic circuit that produces a replica of its input frequency using…
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Pros and Cons of Digital Multimeters
A multimeter, also known as a VOM, is an electrical instrument used to measure circuit…
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Tankless Water Heaters
Most of the water heaters in common use come with large storage tanks. However, another…
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Sizing a Commercial Genset
Generators for business use make sound economic sense if the power outages are a frequent…
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Lighting Facts Labels – What They Really Mean
The FTC recently extended the deadline for changing to the Lighting Facts packaging label to…
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How Loudspeakers and Amplifiers Work
The loudspeaker and amplifier working theory presented in this article has been expressed in a…