Amp Nerd https://validator.w3.org/feed/docs/rss2.html Tesla Did Not Invent Alternating Current or Lose Radio to Edison Most Overunity Results Come from a Meter Reading the Wrong Thing Every Perpetual Motion Machine Has a Loss Its Builder Missed Your Body Runs on Ion Currents Measured in Millivolts Nerves Do Not Carry Electricity the Way a Copper Wire Does An Electric Eel Stacks Thousands of Tiny Cells Like Batteries A Stun Gun Overrides Muscles—It Does Not Shut Down the Brain An Electric Fence Hurts Through Pulses, Not Continuous Current The Shock Leaving Your Car Comes from the Seat, Not the Road Ball Lightning Is Poorly Documented, Not Firmly Explained A Lightning Rod Does Not Repel Strikes or Drain the Cloud Your Tires Are Not What Keeps You Safe in a Lightning Storm Birds Are Safe on a Power Line Because Nothing Pulls Them Across A Smart Meter Talks in Brief Bursts, Not a Constant Stream The Magnetic Field Near House Wiring Falls Off Remarkably Fast EMF-Blocking Stickers and Pendants Cannot Shield Anything Dirty Electricity Is a Marketing Term, Not a Measured Quantity EMP Protection Devices Make Claims No Public Test Supports A Faraday Cage Stops Fields, Not Magnets or Low-Frequency Hum A Mesh Node Without Wired Backhaul Spends Half Its Airtime Twice Five Gigahertz Is Not Simply the Better Band for Every Room Picking a Quiet Wi-Fi Channel Beats Picking a Wider One A Microwave Door Leaks by Design—The Limit Is How Much RF Exposure Limits Are Built on Heating, With a Safety Margin Blog Near-Field Measurements Cannot Predict What Radiates Far Away A Perfect SWR Reading Does Not Mean the Antenna Is Radiating A Resonant Antenna Is Not Automatically an Efficient Antenna An FCC Logo Is Not a Government Endorsement of the Product Conducted and Radiated Emissions Are One Problem Measured Twice Passing an EMC Test Is Not the Same as Being Interference-Free A Ground Loop Is an Antenna Made of Wire, Not a Safety Fault Adding More Ground Connections Can Make Interference Worse A Shielding Effectiveness Number Only Applies at One Frequency Common-Mode and Differential-Mode Noise Need Different Cures A Ferrite Choke Does Nothing for the Signal Inside the Cable A Power Supply Fan That Never Spins Is Not Necessarily Dead A New GPU Power Connector Is Not a Free Supply Upgrade A Graphics Card’s Average Watts Hide Its Millisecond Spikes Doubling Your Power Supply Wattage Buys Margin, Not Performance An 80 PLUS Badge Rates Efficiency, Not Power Supply Quality Every Measurement Has an Uncertainty—Yours Is Just Unwritten A Calibration Sticker Is a Date, Not a Guarantee of Accuracy A Logger’s Sampling Interval Decides Which Events Survive In-Circuit Readings Include Every Part Sharing the Same Node An ESR Meter Does Not Measure Capacitance—It Measures Losses An LCR Meter’s Reading Changes with the Frequency It Tests At A Frequency Response Curve Depends on the Load You Tested With A Logic Analyzer Shows You Bits—It Cannot Show You Volts Home