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

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

A YouTube builder shows off how he created an Arduino board that's 7x larger than the real thing... powered by a hidden ...

During this dark season, building an oasis of warm, life-affirming light in your home is extra important — which is something ...

Like many of us, [Tim]’s seen online videos of circuit sculptures containing illuminated LED filaments. Unlike most of us, however, he went a step further by using graph theory to design glowing ...