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 ...

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and ...

TAICANG, JIANGSU, CHINA, January 16, 2026 /EINPresswire.com/ — The transition to Light-Emitting Diode (LED) technology in the industrial sector represents one of ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery. The project demonstrates how basic components like a transistor, a toroidal coil, ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

More than 40 percent of the nixed awards were from the Office of Clean Energy Demonstrations, a target of the Trump administration. The Department of Energy’s decision to cancel roughly $8 billion in ...

President Donald Trump's White House says the Army Corps of Engineers will be immediately pausing over $11 billion in infrastructure projects in several cities led by Democrats as the federal ...

Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump's White House says the Army Corps of Engineers will be immediately pausing over $11 billion in ...

Add Yahoo as a preferred source to see more of our stories on Google. "The Patel Motel Story" explores the history of Indian immigrants in the US hotel industry. The short film includes this photo of ...

Little kids line up in white graduation caps and gowns. Family members pose for formal photos at a wedding. Cousins laugh as they cut into the frosting of a giant birthday cake. These scenes from Amar ...