Scientists propose a gravitational-wave method called the stochastic standard siren to measure the Hubble constant, offering an independent way to examine the universe’s expansion and the Hubble ...
An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.
For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe expanding right ...
That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...
Abstract: The violent swaying of gangway when maintenance vessel dock at wind turbine tower poses a severe threaten to the safety of maintenance personnel. Therefore, ensuring the stable docking of ...
Abstract: This article proposes the design method of conductor considering ac resistance for high efficiency of permanent magnet synchronous motor (PMSM) using high fill factor winding. To achieve ...