This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and ...

Fresnel lenses were invented over two centuries ago to help lighthouses prevent shipwrecks. They're still enhancing safety, but now it's for cars and trucks.

Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

Filled with the top stories to start your day, and emergency news alerts.

The Ting Smart Sensor quietly monitors your home wiring for potential hazards. Here's how it fared in my house.

Fred Lucas is chief news correspondent and manager of the Investigative Reporting Project for The Daily Signal. He is the author of “The Myth of Voter Suppression: The Left’s Assault on Clean ...

— Six law professors used AI to grade final exams and compared its scores to human professors. Here's what they found.