How I check, test, and charge my AA and AAA batteries - and sift out defective ones

I've been a fan of Olight flashlights for many years. Now I'm a fan of its new pro-grade battery charger. Here's why.

A cracked heat shield rattled NASA after Artemis I. Now, Artemis II will put the fix to the test

When Artemis II reenters earth's atmosphere, NASA will test out a new trajectory, calculated after the heat shield for its ...
Electrek

Slush pits and snowball fights: Slate’s upcoming pickup endures winter testing [Video]

Young American EV startup, Slate Auto, has shared its latest video update, and it’s a chilly one. The company’s development prototypes were recently put through extreme winter testing in Northern ...
Tennessean

Jetronl Expands Industrial Testing with DC Power and High-Speed Power Supply for Automotive Electronics

In high-tech production environments, stable and programmable power sources are essential. Jetronl has developed a comprehensive range of DC Power solutions designed to meet the strict requirements of ...
Business Wire

Keysight Unveils Next-Generation In-Vehicle Network Test Solutions at Automotive Ethernet Congress 2026

SANTA ROSA, Calif.--(BUSINESS WIRE)--Keysight Technologies, Inc. (NYSE: KEYS) will demonstrate new automotive Ethernet receiver compliance test solutions at the Automotive Ethernet Congress (AEC) in ...
Inc

The Nail Test: Why This $54 Billion Innovation Is Terrifying Western Auto Executives

The nail is six inches long. Sharpened to a surgical point. Mounted on a hydraulic press behind plate glass. The press drops slowly enough that you can count your own heartbeat between the moment it ...