The Harbor Freight MADDOX back-probe kit lets DIYers test automotive sensors safely. Just insert between wire and insulation, ...

Chinese LiDAR makers like Hesai and RoboSense are using robotic mowers to fast-track digital solid-state LiDAR, cutting costs ...

High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

Dr. Jeff Bohmer, Medical Director of the Emergency Department at Northwestern Medicine Central DuPage Hospital, joins Bob Sirott to talk about who can get the COVID vaccine, why nearly half of ...

A cadence sensor is a compact cycling device that measures pedaling rate in RPMs to provide real-time feedback.

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found ...

Dart Controls presents the DP4, a microprocessor-based digital potentiometer that displays the digital readout in virtually ...

This new paper by the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC)–International Osteoporosis Foundation (IOF) Committee on Bone Metabolism details how to calculate, ...

Connections is one of the best puzzle games from the New York Times. The game tasks you with categorizing a pool of 16 words into four secret (for now) groups by figuring out how the words relate to ...

As USB-C PD becomes more and more common, it’s useful to have a tool that lets you understand exactly what it’s doing—no longer is it limited to just 5 V. This DIY USB-C PD tool, sent ...

An ammeter is always connected in series with the component whose current you want to measure. This means it is placed ...