| I love it when people get creative with recycling, and even more when that creativity leads to a practical product. The + (Plus) Conjunctive...
| I love it when people get creative with recycling, and even more when that creativity leads to a practical product. The + (Plus) Conjunctive...
| Industrial designer Eon Tae Yoon brings us the Solarlight, which unlike its name suggests, harvests wind energy with its acrylic blades. The...
| Sustainable streetlights are hot. And I'm not surprised by that. In the Netherlands alone there are more than 2.6 million of them (and Holla...
| Fabricating printed circuit boards is not something that every electronics hobbyist does for themselves. It is, however, not really that dif...
| This funny design will have you thinking twice before turning your lights on and waste energy. In the designer's own words: "Feel the pain o...
| Märklin’s light signal Type 74391 (blocking signal) for size HO model railway sets is fairly new and, at 10 euros (£7•00), reasonably afford...
| This ultra-simple circuit will produce the familiar sound of sirens used by US police cars on emergency calls. A small lamp will also flash...
| This design for a Christmas tree lighting system employs ten red light emitting diodes (LEDs) instead of the usual lamps. The LEDs are power...
| The switch controls two relays, one, Re1, for turning the toilet light on and off, and the other, Re2, for turning an extractor fan on an...
| It is not widely known that a new type of lamp was introduced in the 1980s: the induction lamp. The design of this lamp, which has no...