Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an ...

Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components.

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...

The discovery that tissues use electricity to expel unhealthy cells is part of a surge of renewed interest in the currents flowing through our bodies. We’re used to thinking of the brain as an ...

Leo Gonzalez, a 16-year-old from Pittsburgh, PA, who has been diagnosed with leukemia, shared his passion for basketball. “Around the time I started watching basketball, Kyrie Irving was playing and I ...

Is the Arduino Uno Q the missing piece in your next project? With its hybrid design that fuses the precision of a microcontroller with the flexibility of a Linux-based single-board computer, this ...

I’m all for not burning my hair to a crisp. I’m all for not burning my hair to a crisp. is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting ...

Dell’s Alienware laptops tend to be high-performance notebooks with designs that unmistakably scream “this is a gaming laptop.” But rival PC makers like Asus, Razer, and Acer have been demonstrating ...

Both support Matter and Samsung SmartThings, and they might be exactly what your room needs. Both support Matter and Samsung SmartThings, and they might be exactly what your room needs. is an editor ...

Billions of dollars are flowing into humanoid robot startups, as investors bet that the industry will soon put humanlike machines in warehouses, factories and our living rooms. Many leaders of those ...

Artificial intelligence tools have reached a tipping point where they’re powerful enough to generate real income but haven’t yet flooded every market with competition. This creates a brief window ...