This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

Decommissioned parking meter painted baby pink and turned into a Raspberry Pi Zero jukebox. RFID credit-style cards queue ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...

When you do appliance repair, many times you will want to test a certain part away from the appliance, like to learn how to ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

The way you endorse a check depends on how you want to use the check Kiara Taylor has worked as a financial analyst for more than a decade. Her career has involved a number of financial firms, ...

As of December 2025, there is no approved fourth federal stimulus check. Former President Donald Trump has proposed a new round of payments, but this has not been approved by Congress. Arizona has ...

Resistance standards are incredibly useful, but like so many precision references they require regular calibration, ...

A couple weeks ago, a one-time check for $90 from the Social Security Administration showed up in my checking account. I wasn’t totally sure what that was all about, but I had a pretty good idea.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Fact Check: Campaigner’s warning to US over Greenland incorrectly attributed to EU and NATO An Austrian campaigner’s warning that the European Union would take over U.S. military bases in Europe if ...