Reviving and Caring for Car Batteries

Reviving UPS Batteries is Possible and fairly Easy!!

MORE Ways to Identify Unknown Transformers

Free Giveaway - Geiger Counters and more!

Lead Acid Batteries: How They Work

Rewinding a Transformer? How to figure out its Operating Specifications

The Clever Magnetics in Traditional Arc Welders

SuperSloMotion Setup and Capture of at 15A Circuit Breaker Tripping

Hardwired Camera triggering of Mobile Phones for SuperSloMo and other uses.

Radiation Detectors and Radiation Sources

The Lualualei Very Low Frequency Transmitter near Honolulu

What's all the EXCITEMENT about DeepSeek anyway?

Viewer Questions: Transformers with a Scope to look at Spiky Currents,

Viewer Questions: A Box to Display AC Current Waveforms on an Oscilloscope

Power Factor: you won't believe how bad some of our electronic devices are!

Ohm's Law for AC Circuits with Resistors, Capacitors, and Inductors.

That strange flow of electricity that transmits no real power

Viewer Questions: Back to Back Transformers

Viewer Questions: Some "tricks" with transformers.

Electric Blankets - lets look at the magnetic fields and heat distribution. Are they safe

An Engineer tests Wago Connectors. Are they any good?

Mirages - how they work! From simple water on the road to spectacular illusions.

Overcurrent Test of a bundle of 12/2 Romex Cable

See Quantum Mechanics in Action with 3 pairs of Sunglasses

How Protective are GFCI Breakers and Outlets Really?

Why things FAIL - Why don't Manufacturers make them last longer?

The 2024 Eclipse: What we all saw!

How to make a Cereal Box Eclipse Viewer

The Ottawa Restore's Solar Inverter and Lithium Ion Battery System

Let's Measure the Wavelength of Light - with NO lab equipment!