All you need to know about the International Space Station's 25 years in orbit

The International Space Station (ISS) is humanity's most expensive object and has been in orbit for 25 years. Read its ...
Hackaday

Teardown Of Boeing 777 Cabin Pressure Control System

Modern passenger airliners are essentially tubes-with-wings, they just happen to be tubes that are stuffed full with fancy ...
eLife

Fragile nucleosomes are essential for RNA Polymerase II to transcribe in eukaryotes

Nucleosomes are barriers to RNA Polymerase II (Pol II) transcribing along gene bodies in eukaryotes. We found that a fragile “tailless nucleosome” could be generated to resolve the Pol II pausing ...
IEEE

AC Component-Based Control and Phase Shift Applications on Bidirectional Chopper With Auxiliary Full-Bridge Converter

Abstract: This article proposes the supplementary application of ac component-based control to a bidirectional chopper with an auxiliary converter when the dc current flowing in the chopper is zero.
IEEE

Harmonic Control of Three-Phase AC/DC Converter With Time-Domain Guarantees

Abstract: In light of recent advances in harmonic modeling and control theory, we present a novel approach for controlling a three-phase grid-tied ac-dc converter. Our methodology involves deriving an ...