Standard WD-40 is not meant for use on battery contacts, as it can leave a residue. WD-40-brand contact cleaner, however, is ...

A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition ...

This automotive-qualified analog isolation amplifier tolerates kilovolts and delivers a single-ended ratiometric output ...

BRUSSELS, Nov 27 (Reuters) - (This Nov. 27 story has been corrected to clarify that the Barcelona terminal deal is separate from the wider bid by BlackRock and MSC for CK Hutchison's global port ...

Port Authority officials unveiled an ambitious $45 billion capital plan Thursday that funds expanding Newark Airport, long-sought after PATH rail service increases and construction of a new bus ...

The panel that sets policy for the Tennessee Valley Authority held its last public meeting of the year Nov. 6 after spending most of 2025 stuck in neutral since President Donald Trump fired half its ...

It has long been known that the simple combination of a depletion-mode MOSFET (and before these were available, a JFET) and a resistor made a simple, serviceable current source such as that seen on ...

The Alaska Marine Highway System ferry Hubbard approaches the dock in Skagway on July 28, 2024. A state plan to build a new ferry terminal north of Juneau is hard to justify on its financial merits ...

An Air China flight made an emergency landing in Shanghai, the airline said, after a lithium battery in a passenger’s carry-on bag ignited. No injuries were ...

Whether your TV remote control or alarm clock or other battery-powered device is the victim of battery corrosion, we’ve got you covered with the supplies you need and steps you need to take to clean ...

Founder and CEO Sergiy Nesterenko, a former SpaceX engineer, decided to start Quilter to automate the electronics design process and help business save time and labor costs. Welcome back to The Prompt ...