The Fermi Paradox has long perplexed scientists: if the universe is teeming with potential life, why haven’t we encountered any extraterrestrial civilizations? One of the most unsettling theories ...

Asteroid 2023 JF flew about 199,000 miles (320,000 km) away from Earth. It's estimated size is about 34 feet wide (10 meters), roughly the size of a bus. Orbit animation courtesy: NASA/JPL-Caltech ...

Our hacker [John Duffy] wrote in to let us know about a video he put together to explain the design of his open-source multimeter, the HydraMeter. If you’re interested in how the circuitry fo… ...

However, they suffer from ground leakage current, which degrades power quality and poses safety issues. In this article, a nine-level quadruple-boost inverter with common ground is proposed using the ...

This paper proposes a small-sized passive electromagnetic interference (EMI) filter for the purpose of eliminating high-frequency shaft voltage and ground leakage current from an ac motor driven by a ...