Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled materials. This step-by-step DIY tutorial guides you through crafting a mini ...

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.

Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components. This step-by-step guide demonstrates how to construct the engine, build a ...

LED bulbs are a far more cost-efficient, environmentally-friendly option than traditional incandescent bulbs. With a life expectancy of 20 years or more (25x longer than incandescent), the energy ...

The quest for energy efficiency has led manufacturers to investigate ways of dimming all kinds of lighting technologies, including those that usually can’t be dimmed. Consider, for example, ...