Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...

We know that LED bulbs save money over time, but they can be expensive initially. Luckily, there are lots of ways to get LED bulbs and energy conservation kits absolutely free. My electric company, ...

Many people believe that the LED was discovered by US researchers working in the 1960s. In fact, Henry Round at Marconi Labs noted the emission of light from a semiconductor diode 100 years ago and, ...

The twice-yearly ritual has roots in cost-cutting strategies of the late 19th century. A recent effort to end it has stalled in Congress. By Alan Yuhas See more of our coverage in your search ...