Most of us know that a neon bulb requires a significant voltage to strike, in the region of 100 volts. There are plenty of circuits to make that voltage from a lower supply, should you wish to ...

Wiring a rocker switch isn’t complicated once you understand the logic behind it. Every connection serves a purpose, and when ...

At this year’s climate summit, the United States is out and Europe is struggling. But emerging countries are embracing renewable energy thanks to a glut of cheap equipment. By Somini Sengupta and Brad ...

Falling wholesale ‘swap’ lending rates, which help determine the cost of fixed-rate mortgages, have given rise to another round of mortgage cuts this week, writes Laura Howard. However, in a close ...