Sensors are all around. They are in automatic doors, at cash registers, in doctors’ offices and hospitals. They are used inside the body and outside. Sensors detect aspects of the physical world – ...

The hardware coming out of [Dr. Peter Jansen]’s lab is the craziest stuff you can imagine. He’s built a CT scanner out of plywood, and an MRI machine out of many, many turns of enamel wire. Perhaps ...

In labs around the world, scientists chase forces too faint to see and too small to touch. They hunt for tiny magnetic ...

Why Replace A Faulty Oxygen Sensor? A faulty sensor cannot transmit accurate data to the car's computer, causing the engine to run unbalanced. An unbalanced engine either burns fuel with too much or ...

Like most (if not all) Hackaday readers, I like to know how the technology I use works. I’m always amazed, for example, how many otherwise smart people have no idea how the cellphone network works ...

Smart technology does what we tell it to do, in theory. That might seem obvious in a world where Alexa can dim our lights on command, manipulate our thermostats or connect us with the delivery person ...

Q:Hi James. I keep having an oxygen sensor fault code for a lean exhaust with my '97 Corvette. I've taken the vehicle to the dealer several times but the problem keeps recurring. I would like to try ...

In a quiet lab at Utrecht University, researchers have built a tool that lets you watch one of life’s most serious crises ...

So your car’s transmission is acting up or throwing a heart-stopping fault code and you want to find out if the speed sensors are causing it? Fabulous. Your car’s transmission speed sensors are vital ...

David Priest is an award-winning writer and editor who formerly covered home security for CNET. Flood sensors are handy gadgets to have around the house, especially if you live in a floodplain or find ...

Smart lights are a great way to enhance home security. Being able to flip on the lights remotely or automatically, you can give the impression that someone is home and expose potential intruders. It’s ...