Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

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

Why Coils Resist Change. The less often used of the passive components, the humble and mysterious inductor is the subject of ...

When it comes to making things that glow, there are two ways to stand out from the crowd. You can make something very big, or something very small. [DIY GUY Chris] has done the latter, producing a ...

An implantable bioartificial kidney being developed by The Kidney Project – a nationwide collaboration led by Bangladeshi American Professor Shuvo Roy of U.C. San Francisco and Dr. William Fissell of ...