December 24, 2025 • The fight over the soul of higher education is very alive right now, with the Trump administration engaged in dozens of investigations and multiple lawsuits against colleges and ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Long-distance can be tough on any couple, but a gift can help bridge the gap, whether it's for a special occasion or simply a reminder that you're thinking of your significant other. We've rounded up ...

Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...