A $12 power meter helped me test which electronics in my home were the biggest energy vampires. The result caught me off guard.

Believe it or not, not all USB ports yield the same amount of power, but here's a $10 gadget that can show you which ones you ...

The “DIY Sustainability Toolkit” provides residents of unincorporated communities with a range of supplies to assess water ...

Vitrek, a US-based leader in precision measurement instruments, today announced the expanded capabilities of its MTI ...

Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

One of the easiest ways to find a parasitic drain involves measuring amperage draw between the battery's negative terminal and cable while removing fuses.

Capacitance and Tan Delta testing plays a fundamental role in transformer diagnostics. Capacitance measurements reflect the geometric and dielectric properties of transformer insulation, while Tan ...

Is it possible to repair a washer control board? YES! You may be surprised at the cost of repairing an appliance control board like a refrigerator control board. I want to show you how to use an ESR ...

As leaders in New Mexico’s water community, we remain alarmed by our ongoing water crisis, particularly when it comes to groundwater. That’s why we’ve been working with the New Mexico Groundwater ...

Oceanic manta rays dive to record depths of 1,250 meters (4,100 feet), according to a first-of-its-kind study to examine in detail the extreme deep-diving behavior of these rays. Researchers tracked ...

Editor’s note: This column was produced before Gene Wengert died in 2025. It is printed here in memoriam. Q How deep should needles go in rough or planed lumber using a pin moisture meter? Insulated ...